Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 5 6 or 7.

A252217

Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 5 6 or 7.

Terms

    a(0) =8178a(1) =17478a(2) =122694a(3) =801122a(4) =5218112a(5) =34351865a(6) =225314934a(7) =1478226841a(8) =9717153336a(9) =63795462270a(10) =418649646795

External references