Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4.

A252063

Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4.

Terms

    a(0) =4569a(1) =15593a(2) =86642a(3) =539063a(4) =3510697a(5) =23078709a(6) =151165482a(7) =990282975a(8) =6500999078a(9) =42695261900a(10) =280354928528

External references