Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.

A255090

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 0.

Terms

    a(0) =21442a(1) =22601a(2) =50587a(3) =169879a(4) =644545a(5) =2657415a(6) =10823026a(7) =41029852a(8) =147005440a(9) =528612584a(10) =2002360531a(11) =8000123444a(12) =32119332753a(13) =123670654575a(14) =456854111573

External references