|
|
A221358型 |
| 每个元素移动到某个水平、垂直或反对角线邻居后的nX3占用阵列数,无2个环路,且占用不大于2 |
|
1
|
|
|
0, 39, 791, 18738, 410571, 9021576, 197291655, 4313255090, 94259266376, 2059682765099, 45003771497723, 983297420299208, 21483920167245180, 469394579747198225, 10255579972679828734, 224068598231298074183
(列表;图表;参考;听;历史;文本;内部格式)
|
|
|
抵消
|
1,2
|
|
评论
|
|
|
链接
|
|
|
公式
|
经验值:a(n)=55*a(n-1)-1084*a(n-2)+8549*a(n-3)-1355*a(n-4)-3850061*a(n-5)+1800306*a(n-6)+3048157*a(n-7)-40693450*a(n-8)+40463509*a(n-9)+38976177*a(n-10 a(n-15)+99995004390*a(n-16)+30116092385*a(n-17)-1917627065*a(n-18)-8399838021*a(n-19)-33520539625*a(n-20)+22367240257*a(-21)+129769144158*a(-n22)-170325950186*a(-23)-105655501048*a(-2-24)+272513454532*a(-25)+395496231*a(n-26)-109801210903*a(7-27)-258303659042*a 749420(n-32)+542792407937(n-33)+80707793127(n-34)-350739533054(n-35)+5434124804*a(n-36)+93044173858*a(n-37)+37885776912*a(-n38)-21512214212*a 48)-580856*a(n-49)+1360*a(n-50),对于n>52
|
|
示例
|
n=3的一些解
..1..1..1....1..1..0....0..2..1....1..2..1....1..1..1....1..0..0....1..2..1
..1..0..2....2..2..2....1..0..2....1..2..2....1..0..1....1..2..1....1..2..1
..0..2..1....1..0..0....0..2..1....0..0..0....2..1..1....2..2..0....1..0..0
|
|
交叉参考
|
|
|
关键词
|
非n
|
|
作者
|
|
|
状态
|
经核准的
|
|
|
|