Number of (n+1) X (1+1) 0..3 arrays with no 2 X 2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements.

A251301

Number of (n+1) X (1+1) 0..3 arrays with no 2 X 2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements.

Terms

    a(0) =196a(1) =2292a(2) =26664a(3) =310224a(4) =3609989a(5) =42010273a(6) =488885832a(7) =5689307216a(8) =66208118088a(9) =770483038240

External references