Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
A250908
Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =4909a(1) =297873a(2) =18077319a(3) =1096982379a(4) =66566704705
External references
- oeis: A250908