A286216 T(n,k) = Number of n X k 0..1 arrays with the number of 1's king-move adjacent to some 0 two less than the number of 0's adjacent to some 1.
0, 0, 0, 0, 4, 0, 0, 17, 17, 0, 0, 62, 52, 62, 0, 1, 238, 684, 684, 238, 1, 3, 912, 2128, 10056, 2128, 912, 3, 10, 3468, 34896, 141018, 141018, 34896, 3468, 10, 24, 13224, 123541, 2053994, 1656022, 2053994, 123541, 13224, 24, 60, 50655, 1891998, 30004158
Offset: 1
Examples
Some solutions for n=4, k=4 ..0..1..1..0. .0..0..0..0. .1..0..1..1. .0..0..1..0. .1..1..1..1 ..0..0..0..1. .0..1..1..1. .0..0..0..0. .1..0..0..0. .0..0..0..1 ..1..1..1..0. .1..1..0..0. .1..1..1..0. .1..0..0..1. .0..0..0..0 ..0..1..0..0. .1..0..1..0. .1..0..0..0. .0..1..1..1. .0..0..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..161
Comments