A208366 Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.
16, 256, 1644, 9999, 67396, 422541, 2563359, 15730896, 96081144, 582174000, 3527156073, 21366154944, 129224742827, 781136134575, 4721445779732, 28529589334000, 172355128544728, 1041178745668425, 6289245172035000
Offset: 1
Keywords
Examples
Some solutions for n=4 ..1..1..0..1..1....0..1..0..1..1....1..0..1..1..1....0..1..1..1..1 ..1..1..0..1..1....1..0..1..0..1....0..1..1..0..0....0..1..0..1..1 ..0..1..0..1..0....1..0..1..0..0....0..1..1..1..1....0..1..1..1..0 ..0..1..0..1..0....1..0..1..0..1....0..1..1..1..1....0..1..1..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments