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 4 6 or 7.

A252137

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 4 6 or 7.

Terms

    a(0) =1864a(1) =8684a(2) =62277a(3) =409028a(4) =2670175a(5) =17562129a(6) =115183261a(7) =755607636a(8) =4967204787a(9) =32613906904a(10) =214022771560

External references