Number of (n+2)X(4+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251849
Number of (n+2)X(4+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =67209a(1) =1186375a(2) =30754863a(3) =736849090a(4) =18030121976a(5) =446202017757
External references
- oeis: A251849