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A304926型
T(n,k)=nXk 0..1数组的数量,每个元素不等于0、1、2、5或7,移动相邻元素,左上角元素为零。
7
1, 2, 2, 4, 4, 4, 8, 5, 5, 8, 16, 9, 15, 9, 16, 32, 22, 31, 31, 22, 32, 64, 45, 73, 87, 73, 45, 64, 128, 101, 191, 266, 266, 191, 101, 128, 256, 218, 466, 851, 1054, 851, 466, 218, 256, 512, 477, 1125, 2510, 4186, 4186, 2510, 1125, 477, 512, 1024, 1041, 2762, 7348, 16158
抵消
1,2
评论
表格开始
...1...2....4.....8.....16......32.......64.......128........256.........512
...2...4....5.....9.....22......45......101.......218........477........1041
...4...5...15....31.....73.....191......466......1125.......2762........6805
...8...9...31....87....266.....851.....2510......7348......21910.......65581
..16..22...73...266...1054....4186....16158.....63555.....251536......988178
..32..45..191...851...4186...21214...104451....524286....2629697....13159898
..64.101..466..2510..16158..104451...649029...4123792...26044218...164807242
.128.218.1125..7348..63555..524286..4123792..33757130..273455401..2220694647
.256.477.2762.21910.251536.2629697.26044218.273455401.2831764125.29378878160
链接
配方奶粉
k列的经验值:
k=1:a(n)=2*a(n-1)
k=2:a(n)=a(n-1)+3*a(n-2)-2*a(n-4),对于n>6
k=3:a(n)=a(n-1)+2*a(n-2
k=4:对于n>18,[顺序13]
k=5:对于n>41,[顺序34]
k=6:对于n>103,[订单96]
例子
n=5k=4的一些解
..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .0..1..1..1
..1..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..1. .1..0..1..1
..0..0..0..0. .0..0..0..0. .0..0..0..0. .1..0..0..0. .1..1..1..1
..0..0..0..0. .0..0..1..0. .0..0..0..0. .0..0..0..1. .1..1..1..0
..0..0..1..0. .0..0..0..1. .0..0..1..0. .0..1..0..0. .1..0..1..1
交叉参考
第1列是A000079号(n-1)。
第2列为A052962号对于n>2。
关键词
非n,
作者
R.H.哈丁2018年5月21日
状态
经核准的