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 5.

A252603

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 5.

Terms

    a(0) =16123a(1) =49782a(2) =232461a(3) =1274571a(4) =7784629a(5) =49281939a(6) =316795305a(7) =2057691985a(8) =13442718714a(9) =88067778670a(10) =577614165674

External references