A189693 Number of nX6 binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally.
64, 4096, 61996, 997264, 11451149, 140346362, 1553640701, 17872674996, 198287096355, 2240961706438, 24972074224456, 280570140162495, 3134318411211896, 35138150310304642, 392994307064068970
Offset: 1
Keywords
Examples
Some solutions for 3X6 ..0..1..1..1..1..1....1..1..1..1..1..0....0..0..1..0..0..0....1..1..1..1..0..0 ..1..1..0..0..1..0....1..1..1..0..1..1....0..1..1..1..0..1....0..0..1..1..1..1 ..0..1..1..0..1..0....0..1..1..0..1..1....0..0..0..0..0..0....1..1..0..1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments