Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 8.

A252471

Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 8.

Terms

    a(0) =8624a(1) =9056a(2) =62391a(3) =409090a(4) =2670237a(5) =17562191a(6) =115183323a(7) =755607698a(8) =4967204849a(9) =32613906966a(10) =214022771622

External references