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

A252291

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

Terms

    a(0) =33171a(1) =49671a(2) =184998a(3) =1012183a(4) =6319654a(5) =41069194a(6) =268261981a(7) =1756734380a(8) =11536574218a(9) =75750985228a(10) =497258335794

External references