A186902-OEIS公司

A186902号

T（n，k）=每个2X2子块行列式正好等于一个或两个水平和垂直相邻2X2个子块行列列式的（n+1）X（k+1）二进制数组的数目

0, 30, 30, 76, 148, 76, 234, 140, 140, 234, 632, 406, 444, 406, 632, 1832, 1246, 1692, 1692, 1246, 1832, 5182, 3106, 3948, 5401, 3948, 3106, 5182, 14860, 7240, 13894, 14437, 14437, 13894, 7240, 14860, 42346, 19040, 35270, 49303, 39372, 49303, 35270

(列表;桌子;图表;参考文献;听;历史;文本;内部格式)

抵消

1,2

表格开始

......0.....30......76.....234......632......1832.......5182.......14860

.....30....148.....140.....406.....1246......3106.......7240.......19040

.....76....140.....444....1692.....3948.....13894......35270......122820

....234....406....1692....5401....14437.....49303.....171877......608194

....632...1246....3948...14437....39372....158437.....554824.....2203303

...1832...3106...13894...49303...158437....703983....2920816....12599670

...5182...7240...35270..171877...554824...2920816...14050512....85310077

..14860..19040..122820..608194..2203303..12599670...85310077...523902288

..42346..49004..328174.1974583..7843906..53255787..380380974..2795274149

.121016.124974.1091770.6828851.30466049.237167117.2084921316.16608468926

链接

R.H.哈丁，n=1..312时的n，a（n）表

例子

4X3的一些解决方案

..0..1..1....1..1..0....0..1..1....1..1..0....0..0..0....0..0..1....0..1..0

..1..1..0....0..1..1....1..1..0....0..1..1....0..1..1....1..1..1....1..1..1

..0..0..0....0..0..0....1..1..0....0..0..1....1..1..0....1..1..0....1..0..1

..1..0..0....0..1..1....0..1..1....1..0..1....0..1..1....0..1..1....1..0..1

交叉参考

第1列是A185479号

上下文中的序列：A220440型 A040871号 A022364号*A185487号 A051723号 A378721型

相邻序列：A186899号 A186900个 A186901号*A186903号 A186904号 A186905号

关键词

非n,表

作者

R.H.哈丁2011年2月28日

状态

经核准的