Number of (n+1) X (4+1) 0..1 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
A250952
Number of (n+1) X (4+1) 0..1 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =780a(1) =19208a(2) =472712a(3) =11633448a(4) =286298344a(5) =7045780240a(6) =173396103624
External references
- oeis: A250952