Number of n X 6 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
A284220
Number of n X 6 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
Terms
- a(0) =19a(1) =495a(2) =22729a(3) =1214427a(4) =68272108a(5) =3945536189a(6) =232036495984
External references
- oeis: A284220