A189340 Number of n X 6 binary arrays without the pattern 1 0 0 1 diagonally, vertically, antidiagonally or horizontally.
52, 2704, 140608, 3988168, 109746642, 2650369322, 68439605144, 1732402041622, 45288523287014, 1169200527259744, 30459419241960870, 788089712516187485, 20460101431991974234, 529811400562012142385, 13741195617567627797520
Offset: 1
Keywords
Examples
Some solutions for 4 X 6: ..0..0..0..1..1..0....0..0..0..0..1..0....0..0..0..0..1..0....0..0..1..1..0..1 ..0..0..1..0..0..0....0..0..1..1..1..1....0..0..0..1..0..1....0..0..0..1..1..0 ..0..1..1..1..0..1....0..1..1..1..0..1....0..0..1..1..0..1....0..1..1..1..0..1 ..0..0..0..1..0..1....0..0..0..1..1..0....0..1..0..0..0..1....0..0..0..1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..116
Comments