Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.
A251290
Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.
Terms
- a(0) =710a(1) =6980a(2) =52474a(3) =518711a(4) =4109933a(5) =39473392a(6) =322933003a(7) =3029148345a(8) =25329125380a(9) =233446638426
External references
- oeis: A251290