Number of (n+2)X(3+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.
A251953
Number of (n+2)X(3+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.
Terms
- a(0) =117100a(1) =2723490a(2) =78070792a(3) =2371536636a(4) =74995353698
External references
- oeis: A251953