A188611 Number of 6Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.
33, 1089, 12529, 123984, 1238275, 11895711, 111888105, 1031943536, 9407890147, 84950474167, 762470003816, 6810903926077, 60646815176663, 538699427641981, 4776954069762764, 42305643108479831, 374327321302395882
Offset: 1
Keywords
Examples
Some solutions for 6X3 ..0..1..0....0..1..1....0..0..1....1..0..0....0..0..0....0..1..0....0..1..1 ..1..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....1..0..0 ..0..1..0....0..0..0....0..1..1....0..0..1....1..0..1....0..0..0....0..0..0 ..1..0..1....0..0..0....0..0..0....0..0..0....1..1..1....0..0..0....0..0..1 ..0..0..1....1..0..1....0..0..1....1..0..0....1..0..1....1..0..0....0..0..1 ..1..0..1....0..0..0....0..0..1....0..0..1....1..1..1....1..0..1....0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments