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

A255158

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

Terms

    a(0) =4105a(1) =27903a(2) =232685a(3) =1863728a(4) =15122739a(5) =124074113a(6) =1010639534a(7) =8227259834a(8) =67114117967a(9) =547056786780

External references