Number of (n+2)X(7+2) 0..2 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251818
Number of (n+2)X(7+2) 0..2 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =6066a(1) =24411a(2) =213857a(3) =1741500a(4) =14105237a(5) =115183429a(6) =937980816a(7) =7634089673a(8) =62282795883a(9) =507708323914
External references
- oeis: A251818