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

A251013

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

Terms

    a(0) =423a(1) =6653a(2) =105897a(3) =1691169a(4) =27018053a(5) =431623476a(6) =6895174650a(7) =110149711356

External references