Number of (n+2)X(4+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.
A251954
Number of (n+2)X(4+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.
Terms
- a(0) =922890a(1) =41025310a(2) =2371536636a(3) =146613818422
External references
- oeis: A251954