Number of (n+1) X (1+1) 0..3 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
A251276
Number of (n+1) X (1+1) 0..3 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =230a(1) =3264a(2) =46244a(3) =655040a(4) =9278296a(5) =131421696a(6) =1861511440a(7) =26367218944a(8) =373476205664
External references
- oeis: A251276