Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6.
A251834
Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6.
Terms
- a(0) =518514a(1) =20314774a(2) =909331750a(3) =35836727866
External references
- oeis: A251834