Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
A251093
Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =13a(1) =212a(2) =9597a(3) =1175519a(4) =391088995a(5) =353489877714
External references
- oeis: A251093