A208369 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.
2, 4, 4, 6, 16, 6, 10, 36, 36, 9, 16, 100, 114, 81, 14, 26, 256, 450, 351, 196, 21, 42, 676, 1644, 1953, 1162, 441, 31, 68, 1764, 6186, 9999, 9338, 3633, 961, 46, 110, 4624, 23010, 52821, 67396, 41433, 11067, 2116, 68, 178, 12100, 85992, 275769, 507682, 422541
Offset: 1
Examples
Some solutions for n=4 k=3 ..0..1..1....1..1..1....1..1..1....0..1..0....0..1..0....0..1..0....1..1..0 ..0..1..1....1..0..1....1..1..1....1..1..1....1..0..1....0..1..0....1..1..0 ..0..1..1....1..1..1....1..1..0....1..1..1....1..0..1....0..1..0....1..0..0 ..0..1..1....0..1..1....1..0..1....1..1..1....1..0..1....0..1..0....1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..760
Comments