A207519 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 14, 81, 98, 100, 16, 21, 196, 271, 358, 256, 26, 31, 441, 834, 1307, 1152, 676, 42, 46, 961, 2307, 5458, 5369, 3910, 1764, 68, 68, 2116, 6115, 19909, 29622, 23645, 12994, 4624, 110, 100, 4624, 16544, 68807, 137719, 174224
Offset: 1
Examples
Some solutions for n=4 k=3 ..0..0..0....0..0..0....0..1..1....1..1..0....1..0..0....0..0..0....1..1..1 ..0..0..0....0..0..0....1..0..0....0..0..0....1..0..1....0..1..1....1..1..1 ..1..0..1....0..0..0....1..0..0....0..0..0....1..0..1....1..1..1....1..1..1 ..1..0..1....1..1..1....1..1..0....0..1..1....1..0..1....1..0..0....1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..337
Comments