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

A256028

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

Terms

    a(0) =4086a(1) =27424a(2) =223901a(3) =1736085a(4) =13744343a(5) =111505109a(6) =904174706a(7) =7347151637a(8) =59890010020a(9) =487874115891

External references