Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.

A250969

Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.

Terms

    a(0) =604a(1) =12281a(2) =249921a(3) =5089900a(4) =103684186a(5) =2112130109a(6) =43025963570a(7) =876479703950

External references