Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
A250909
Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =39960a(1) =6621219a(2) =1096982379a(3) =181725094746
External references
- oeis: A250909