Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

A251796

Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Terms

    a(0) =6627a(1) =348679a(2) =17195593a(3) =873945739a(4) =44356434596

External references