搜索: a256261-编号:a256261
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1, 5, 9, 21, 25, 37, 57, 85, 89, 101, 121, 149, 169, 213, 281, 341, 345, 357, 377, 405, 425, 469, 537, 597, 617, 661, 729, 821, 937, 1077, 1241, 1365, 1369, 1381, 1401, 1429, 1449, 1493, 1561, 1621, 1641, 1685, 1753, 1845, 1961, 2101, 2265, 2389, 2409, 2453, 2521, 2613, 2729, 2869, 3033, 3221, 3433, 3669, 3929, 4213, 4521, 4853, 5209, 5461
(列表;图表;参考;听;历史;文本;内部格式)
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1,2
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评论
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比较A169707号看起来这两个序列共享无限多个项,例如:a(1)。。a(27)、a(31)。。a(43),a(47)。。a(51)等。
另请参阅示例部分中的推测。
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链接
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配方奶粉
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例子
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写为不规则三角形T(j,k),k>=1,其中行长度是A011782号,序列开始:
1;
5;
9, 21;
25, 37, 57, 85;
89, 101,121,149,169,213,281,341;
345,357,377,405,425,469,537,597,617,661,729,821,937,1077,1241,1365;
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交叉参考
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囊性纤维变性。A002450型,A139250型,A147562型,A162795号,A169707号,A255264型,A255366型,A256250型,A256258型,A256261型,256263美元,A256264型,A256265型.
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关键词
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作者
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状态
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经核准的
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0, 1, 1, 3, 1, 3, 5, 7, 1, 3, 5, 7, 5, 11, 17, 15, 1, 3, 5, 7, 5, 11, 17, 15, 5, 11, 17, 23, 29, 35, 41, 31, 1, 3, 5, 7, 5, 11, 17, 15, 5, 11, 17, 23, 29, 35, 41, 31, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 63, 1, 3, 5, 7, 5, 11, 17, 15, 5, 11, 17, 23, 29, 35, 41, 31, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89
(列表;图表;参考;听;历史;文本;内部格式)
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0,4
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链接
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例子
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0;
1;
1,3;
1,3,5,7;
1,3,5,7,5,11,17,15;
1,3,5,7,5,11,17,15,5,11,17,23,29,35,41,31;
1,3,5,7,5,11,17,15,5,11,17,23,29,35,41,31,5,11,17,23,29,35,41,47,53,59,65,71,77,83,89,63;
...
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方形网格第四象限中的初始项图解:
---------------------------------------------------------------------------
n a(n)紧凑图
---------------------------------------------------------------------------
0 0 _
1 1 |_|_ _
2 1 |_| |
3 3 |_ _|_ _ _ _
4 1 |_| | | |
5 3 |_ _| | |
6 5 |_ _ _| |
7 7 |_ _ _ _|_ _ _ _ _ _ _ _
8 1 |_| | | |_ _ | |
9 3 |_ _| | |_ | | |
10 5 |_ _ _| | | | | |
11 7 |_ _ _ _| | | | |
12 5 | | |_ _ _| | | |
13 11 | |_ _ _ _ _| | |
14 17 |_ _ _ _ _ _ _| |
15 15 |_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
16 1 |_| | | |_ _ | |_ _ _ _ _ _ | |
17 3 |_ _| | |_ | | |_ _ _ _ _ | | |
18 5 |_ _ _| | | | | |_ _ _ _ | | | |
19 7 |_ _ _ _| | | | |_ _ _ | | | | |
20 5 | | |_ _ _| | | |_ _ | | | | | |
21 11 | |_ _ _ _ _| | |_ | | | | | | |
22 17 |_ _ _ _ _ _ _| | | | | | | | | |
23 15 |_ _ _ _ _ _ _ _| | | | | | | | |
24 5 | | | | | | |_ _ _| | | | | | | |
25 11 | | | | | |_ _ _ _ _| | | | | | |
26 17 | | | | |_ _ _ _ _ _ _| | | | | |
27 23 | | | |_ _ _ _ _ _ _ _ _| | | | |
28 29 | | |_ _ _ _ _ _ _ _ _ _ _| | | |
29 35 | |_ _ _ _ _ _ _ _ _ _ _ _ _| | |
30 41 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
31 31 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|
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a(n)也是图中第n个区域中的单元数。
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数学
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平展@连接[{0},NestList[Join[#,Range[Length[#]-1]*6-1,{2#[[-1]]+1}]&,{1},6]](*伊凡·内雷廷2017年2月14日*)
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交叉参考
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囊性纤维变性。A000225号,A000302号,A011782号,A038573号,A006257号,A016969号,A139251号,A160552号,A256250型,A256258型,A256260型,A256261型,A256264型,256265元.
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关键词
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作者
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扩展
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条款a(95)至a(98)由伊凡·内雷廷2017年2月14日
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状态
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经核准的
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0, 1, 2, 5, 6, 9, 14, 21, 22, 25, 30, 37, 42, 53, 70, 85, 86, 89, 94, 101, 106, 117, 134, 149, 154, 165, 182, 205, 234, 269, 310, 341, 342, 345, 350, 357, 362, 373, 390, 405, 410, 421, 438, 461, 490, 525, 566, 597, 602, 613, 630, 653, 682, 717, 758, 805, 858, 917, 982, 1053, 1130, 1213, 1302, 1365
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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0,3
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评论
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链接
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配方奶粉
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例子
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0,
1,
2, 5,
6, 9, 14, 21,
22, 25, 30, 37, 42, 53, 70, 85;
86, 89, 94, 101, 106, 117, 134, 149, 154, 165, 182, 205, 234, 269,310,341;
...
自2016年1月2日_Omar E.Pol起:(开始)
正方形网格第四象限中的初始项说明:
---------------------------------------------------------------------------
n a(n)紧凑图
---------------------------------------------------------------------------
0 0 _
1 1 |_|_ _
2 2 |_| |
3 5 |_ _|_ _ _ _
4 6 |_| | | |
5 9 |_ _| | |
6 14 |_ _ _| |
7 21 |_ _ _ _|_ _ _ _ _ _ _ _
8 22 |_| | | |_ _ | |
9 25 |_ _| | |_ | | |
10 30 |_ _ _| | | | | |
11 37 |_ _ _ _| | | | |
12 42 | | |_ _ _| | | |
13 53 | |_ _ _ _ _| | |
14 70 |_ _ _ _ _ _ _| |
15 85 |_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
16 86 |_| | | |_ _ | |_ _ _ _ _ _ | |
17 89 |_ _| | |_ | | |_ _ _ _ _ | | |
18 94 |_ _ _| | | | | |_ _ _ _ | | | |
19 101 |_ _ _ _| | | | |_ _ _ | | | | |
20 106 | | |_ _ _| | | |_ _ | | | | | |
21 117 | |_ _ _ _ _| | |_ | | | | | | |
22 134 |_ _ _ _ _ _ _| | | | | | | | | |
23 149 |_ _ _ _ _ _ _ _| | | | | | | | |
24 154 | | | | | | |_ _ _| | | | | | | |
25 165 | | | | | |_ _ _ _ _| | | | | | |
26 182 | | | | |_ _ _ _ _ _ _| | | | | |
27 205 | | | |_ _ _ _ _ _ _ _ _| | | | |
28 234 | | |_ _ _ _ _ _ _ _ _ _ _| | | |
29 269 | |_ _ _ _ _ _ _ _ _ _ _ _ _| | |
30 310 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
31 341 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|
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a(n)也是图的前n个区域中的单元总数。256263美元(n) 给出了图中第n个区域中的单元格数。
(结束)
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数学
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在压扁时累加@联接[{0},嵌套列表[Join[#,Range[Length[#]-1]*6-1,{2#[-1-]+1}]&,{1},5]](*伊凡·内雷廷2017年2月14日*)
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交叉参考
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囊性纤维变性。A002450型,A011782号,A047849号,A139250型,A151920号,A255737型,A255747型,A256249型,A256258型,A256260型,A256261型,A256263型,A256265型.
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关键词
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作者
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状态
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经核准的
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1, 3, 7, 11, 15, 23, 35, 43, 47, 55, 67, 79, 95, 123, 155, 171, 175, 183, 195, 207, 223, 251, 283, 303, 319, 347, 387, 439, 503, 579, 651, 683, 687, 695, 707, 719, 735, 763, 795, 815, 831, 859, 899, 951, 1015, 1091, 1163, 1199, 1215, 1243, 1283, 1335, 1399, 1475, 1563, 1663, 1775, 1899, 2035, 2183, 2343, 2515, 2667, 2731
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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1,2
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评论
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这两个序列似乎共享无限多个项,例如:a(1)。。a(26)、a(31)。。a(42)、a(47)。。a(50),a(63)。。a(74)、a(79)。。a(82)等。
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链接
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配方奶粉
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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1, 3, 5, 7, 5, 11, 17, 15, 5, 11, 17, 23, 29, 35, 41, 31, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 63, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 161, 167, 173, 179, 185, 127, 5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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1,2
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评论
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链接
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例子
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1;
三;
5,7;
5,11,17,15;
5,11,17,23,29,35,41,31;
5,11,17,23,29,35,41,47,53,59,65,71,77,83,89,63;
5,11,17,23,29,35,41,47,53,59,65,71,77,83,89,95,101,107,113,119,125,131,137,143,149,155,161,167,173,179,185,127;
...
方形网格第四象限中的初始项图解:
------------------------------------------------------------------------
n a(n)紧凑图
------------------------------------------------------------------------
. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
1 1 |_| | | |_ _ | |_ _ _ _ _ _ | |
2 3 |_ _| | |_ | | |_ _ _ _ _ | | |
3 5 |_ _ _| | | | | |_ _ _ _ | | | |
4 7 |_ _ _ _| | | | |_ _ _ | | | | |
5 5 | | |_ _ _| | | |_ _ | | | | | |
6 11 | |_ _ _ _ _| | |_ | | | | | | |
7 17 |_ _ _ _ _ _ _| | | | | | | | | |
8 15 |_ _ _ _ _ _ _ _| | | | | | | | |
9 5 | | | | | | |_ _ _| | | | | | | |
10 11 | | | | | |_ _ _ _ _| | | | | | |
11 17 | | | | |_ _ _ _ _ _ _| | | | | |
12 23 | | | |_ _ _ _ _ _ _ _ _| | | | |
13 29 | | |_ _ _ _ _ _ _ _ _ _ _| | | |
14 35 | |_ _ _ _ _ _ _ _ _ _ _ _ _| | |
15 41 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
16 31 |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|
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a(n)也是图中第n个区域中的单元数。
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数学
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嵌套[Join[#,Range[Length[#]-1]*6-1,{2#[[-1]]+1}]&,{1},7](*伊凡·内雷廷2017年2月14日*)
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交叉参考
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囊性纤维变性。A000225号,A000302号,A002001号,A011782号,A016969号,A141548号,A241717号,A256260型,A256261型,A256263型,A256264型.
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关键词
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非n,标签
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作者
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状态
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经核准的
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