Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements.
A251015
Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements.
Terms
- a(0) =18910a(1) =1691169a(2) =151364054a(3) =13508173078
External references
- oeis: A251015