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

A255141

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

Terms

    a(0) =47a(1) =371a(2) =6271a(3) =190731a(4) =10864279a(5) =1141237349a(6) =215697143322

External references