Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
A250919
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =58a(1) =4148a(2) =1320397a(3) =1887760064
External references
- oeis: A250919