Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
A250977
Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Terms
- a(0) =4459a(1) =260056a(2) =15156945a(3) =883387252a(4) =51487962431
External references
- oeis: A250977