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

A256740

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

Terms

    a(0) =153a(1) =570a(2) =2992a(3) =5888a(4) =22080a(5) =72192a(6) =404480a(7) =897280a(8) =4353536a(9) =14508288a(10) =119161088a(11) =528994560a(12) =4198855680a(13) =110906421504a(14) =711119970816

External references