编号：A187425-OEIS

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排序：关联|参考文献|数|被改进的|创建格式：长的|短的|数据

A187425号

T（n，k）=（n+1）X（k+1）0..2数组的数量，每个2X2子块行列式正好等于一个或两个水平和垂直相邻的2X2个子块行列阵

+0
6

0, 175, 175, 609, 1969, 609, 3593, 6512, 6512, 3593, 15055, 44512, 46764, 44512, 15055, 76263, 319792, 602024, 602024, 319792, 76263, 353985, 2142214, 5254072, 10014852, 5254072, 2142214, 353985, 1729733, 13328138, 56472058, 139898890

(列表;桌子;图表;参考;听;历史;文本;内部格式)

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表格开始

........0.......175........609........3593.......15055.......76263......353985

......175......1969.......6512.......44512......319792.....2142214....13328138

......609......6512......46764......602024.....5254072....56472058...533853394

.....3593.....44512.....602024....10014852...139898890..2183222530.33876667824

....15055....319792....5254072...139898890..2868461180.72355701549

....76263...2142214...56472058..2183222530.72355701549

...353985..13328138..533853394.33876667824

..1729733..88129302.5585054046

..8225815.580578920

.39664199

链接

R.H.哈丁，n=1..59时的n，a（n）表

例子

4X3的一些解决方案

..0..2..2....1..1..0....1..2..2....2..2..0....0..1..1....0..0..0....2..1..1

..2..2..0....1..2..1....1..1..2....2..2..0....0..1..2....0..0..1....0..0..0

..0..1..1....0..1..1....1..0..2....1..2..1....0..0..1....2..2..2....2..2..2

..0..2..2....0..2..2....0..0..0....1..2..1....0..0..2....2..1..0....2..1..0

交叉参考

第1列是A186211号

关键字

非n,表

作者

R.H.哈丁2011年3月9日

状态

经核准的

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