Number of (n+2) X 4 0..2 arrays with every 3 X 3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
A204147
Number of (n+2) X 4 0..2 arrays with every 3 X 3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =3902a(1) =28982a(2) =156494a(3) =891662a(4) =5117114a(5) =29610374a(6) =169527242a(7) =970408838a(8) =5556457154a(9) =31877275262a(10) =182767466954
External references
- oeis: A204147