Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.

A250960

Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.

Terms

    a(0) =14423a(1) =768855a(2) =42534386a(3) =2395598690a(4) =134817198768

External references