搜索： a188249-编号：a188249
|
| |
|
|
A188242号
|
| x（i）*x（i+1）之和等于零的n-2..2中n+2个非零数x（i |
|
+10
1
|
|
|
|
16, 20, 120, 300, 1284, 4132, 16272, 57808, 223308, 828456, 3193588, 12106616, 46777036, 179484068, 695670728, 2689241588, 10454975104, 40616587968, 158328346172, 617266507080, 2411727117520, 9427476168776, 36906793159556
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-2...-1...-1....2....2...-1....1...-1...-2....1....1...-1....1...-1....2...-2
..2....2...-1....1....1....2...-1....2....2...-2...-1....1....1....2....2....1
..1....1....1...-1....1....1....1....2....1...-1...-1....1...-2...-2...-1....2
.-1....1....2....1...-2...-2....2...-1....2....2...-2...-1...-2...-2....2...-1
.-1....1...-2....2....1...-2...-1...-2....2....2....2....1....1...-2....1....2
.-2...-2...-1...-1....1....1...-2....1...-2...-1....1....2...-1....1...-2....2
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188243号
|
| x（i）*x（i+1）之和等于零的n-3..3中n+2个非零数x（i |
|
+10
1
|
|
|
|
36, 52, 548, 1632, 12692, 51196, 355396, 1657632, 10858368, 54754656, 346608044, 1831830172, 11344750308, 61835276360, 377379008580, 2101523967056, 12697531716136, 71809422531596, 430895582983328, 2464705595705660
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-3....3....1...-3....2...-2...-2...-2....1...-2...-2....1....2...-3....2...-2
..2...-3....1...-2...-1...-3...-2...-1...-2....1...-2...-2...-3...-2....3....1
..2...-2...-2....3....2....3....2...-2....2...-2....2...-1...-1...-1...-3....2
..3...-1...-3....1....3...-2...-1....3....1...-3...-2...-3...-2....3...-1....1
.-2....1....1....3...-1...-3....1....2....1....2...-1....3....1...-1....2....2
.-1....2...-2...-2...-1...-1....3...-2....3....2...-2....2....3....2....1...-2
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188244号
|
| 4..4中n+2个非零数x（i）的排列数，x（i）*x（i+1）的和等于零 |
|
+10
1
|
|
|
|
64, 144, 1504, 7092, 58824, 368588, 2880240, 20265640, 156028036, 1154193268, 8877588920, 67251222980, 518783061524, 3979996140580, 30813430250120, 238176520092556, 1850203922639624, 14371954026347848, 111969329295785092
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=5的一些解
..4...-4....2....4...-4....1....3....1....3...-3....2....4...-2....1...-1...-4
.-1....3...-1....3....1....4....2...-1...-2...-3....2....1...-2...-3....3....4
.-3....4...-2...-4...-3...-3....4....4...-1...-3....3...-1...-1...-1...-3....4
..3...-2...-3...-4...-2...-1...-2...-1....4....2...-2...-1...-1....4...-3...-4
..4...-4....2...-1...-4....1....3...-1....1...-2....2....4....1....1...-1...-3
.-1....4....4....4....1....3...-3...-2...-4....2....2....2...-2...-4...-2...-2
.-2....4...-2...-4...-3....1...-3...-3...-2...-2...-2...-4....2...-1....1....1
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188245号
|
| x（i）*x（i+1）之和等于零的n-5..5中n+2个非零数x（i |
|
+10
1
|
|
|
|
100, 208, 3292, 16484, 193232, 1399640, 14715004, 123729664, 1247614580, 11199296500, 110995324320, 1029900778912, 10129893228408, 95800929304216, 939159329686860, 8989025842005012, 88016972322771816, 849227228527469216
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-5....1....2...-4....4...-2....2....5....1...-2...-3...-1...-3....4...-1....2
..4....3....1...-2....3...-4...-5....2....4....5....5...-1....3...-2...-1....1
..4...-3...-3...-4...-2....2...-5...-1....4...-1....3....1...-1...-5....1....2
..5...-5...-2....4....3...-2....3....4...-1...-3....4....2...-5....1...-5...-2
.-4....1....5...-4....2....4....4....4....4...-2...-4....1...-1....1...-5....4
.-1...-4....1...-4...-3....3...-3...-5...-3...-3...-1...-4...-2....2....4....2
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188246号
|
| n-6..6中n+2个非零数x（i）的排列数，x（i）*x（i+1）的和等于零 |
|
+10
1
|
|
|
|
144, 436, 6376, 43440, 521124, 4875112, 55994544, 591604824, 6764014136, 75116513672, 862566555260, 9803647311540, 113184217957288, 1302374837233636, 15107289166289400, 175125528108662876, 2039302796727309112
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-6...-2...-2...-1....5....2....6...-1...-1...-2...-6....4....2...-6....6...-4
..6...-1...-2....2...-1....3....3...-2...-6...-4...-3...-3....6....3....3...-2
..3...-2....5....2....2....1....3...-6...-6....4....6...-6....4....6....3...-4
.-2...-1....3...-6...-1...-3...-1....3....3....4....5....4...-5...-1...-6....4
.-3....1...-1...-2...-3....6...-6....1...-3...-1...-3....2....2...-3....1....5
.-6...-5....6....1...-2....2....5....1....5....4....5....5...-3...-1...-3...-4
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
| |
|
|
|
0, 20, 52, 144, 208, 436, 532, 816, 1072, 1508, 1668, 2400, 2592, 3220, 3940, 4768, 5024, 6212, 6500, 7856, 8944, 9988, 10340, 12384, 13280, 14516, 15796, 17824, 18272, 21156, 21636, 23712, 25472, 27124, 29124, 32800, 33376, 35220, 37300, 41136, 41776
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,2
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-2...-3...-1....1....3....1....2...-2....1....3....3....3...-2....2...-4...-3
.-4...-1...-3...-4....2...-1....1...-3...-2...-2....1...-1....2...-3...-3...-1
..1...-3...-3...-4....3....1....2....1....1...-1....1....3....1...-1....3....1
.-4....2....4....3...-4....2...-2...-3....4...-4...-4....2....2...-3...-1...-2
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
| |
|
|
|
12, 120, 548, 1504, 3292, 6376, 10564, 17040, 25436, 36808, 49556, 68912, 87804, 113384, 144644, 180912, 216044, 267160, 312404, 377904, 446588, 519976, 590420, 696576, 791164, 898456, 1016756, 1159280, 1278636, 1460936, 1598916, 1784224
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
..3...-2...-2...-3...-1...-1....1....1....4....1...-2...-4....2....2...-1...-3
.-3...-2....3...-4...-1...-3....3...-2....3...-2...-4...-2...-1....1...-1...-2
..2....3...-1....3....3....2....4...-4...-4...-1....2....1....2...-2....4....2
..3....1...-3...-2....2....1...-3....3...-2...-3...-4....3...-4...-4....3....2
..3...-1...-2...-3...-2....1....1....2....4....1...-2...-3...-3....2...-3...-3
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188247号
|
| -7..7中n+2个非零数x（i）的排列数，x（i）*x（i+1）的和等于零 |
|
+10
0
|
|
|
|
196, 532, 10564, 75080, 1142180, 11953848, 168083116, 2026547348, 27843005992, 355600251460, 4851985495460, 63719148177636, 867980001700376, 11577646834184824, 157763834094118596
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-3...-1...-3....2....4...-6....5....3...-4....2...-1....4...-6...-6....3...-6
.-7...-7...-1...-1...-1...-1...-1....6...-5...-5....1....3...-6....3...-1...-4
..1....2...-6...-2....2...-6....1...-1....3....6...-2...-6....3....2...-2....3
..4....6...-2....3....5....1....4...-6...-3....2....2...-5...-6....6....4...-2
.-2....5....3....3....2....2...-2....2....2....7....7....3...-7....1....3...-6
..5...-7...-5...-1...-7...-4...-5...-3....5....2...-1...-3....6...-6...-1....3
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
|
|
A188248号
|
| 在-8.8中的n+2个非零数x（i）的排列数，x（i）*x（i+1）之和等于零 |
|
+10
0
|
|
|
|
256, 816, 17040, 142532, 2347608, 28779900, 445304272, 6250275112, 95625385124, 1414314289436
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,1
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-8....2....4...-2...-6....3...-5...-2....4...-7...-2....1...-5....7....7....2
.-5...-5....2...-5...-2...-2....2...-7....6....2....7...-6....4...-4...-4...-6
..4...-1...-2...-4...-7...-5...-2...-1....4....8...-7...-1...-8....8....7...-6
..3....3...-1...-6....6...-2...-7....1...-5...-1...-1....2...-4....7....8....5
..8....2...-6....6....8...-7...-8....4....7...-2...-8....2...-4....4....4....3
.-7....1....2...-3...-4....4....7...-6....1...-2...-6...-1...-1...-6...-8...-3
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
|
| |
| |
|
|
|
0, 300, 1632, 7092, 16484, 43440, 75080, 142532, 232432, 380244, 525668, 841504, 1099064, 1531092, 2070976, 2785252, 3396316, 4539424, 5414024, 6981628, 8554708, 10387240, 11982424, 15101088, 17498972
(列表;图表;参考文献;听;历史;文本;内部格式)
|
|
|
|
抵消
|
1,2
|
|
|
评论
|
|
|
|
链接
|
|
|
|
例子
|
n=4的一些解
.-4....2...-4...-1....2....4....3....4....3....3....1...-3...-1...-2...-3....3
..1...-3...-2....2...-1...-1....1...-2...-2....4...-4....3....3....3...-1...-4
.-2...-3...-4...-1...-2...-2...-2....2....2....4...-4....1...-2....1...-2...-4
.-4....3....4...-4....1....2...-4...-2...-1...-2....1....2....3....3....2...-4
..1....3...-3...-3...-1....2....3...-4...-4....4...-4...-4....3....1....1....4
..2...-1...-4....4...-3....1....1...-2...-2...-3....1...-3....2...-3...-3...-1
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
状态
|
经核准的
|
| |
|
搜索在0.005秒内完成
|
