Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements.
A251353
Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements.
Terms
- a(0) =2920a(1) =137642a(2) =6505867a(3) =307396791a(4) =14522811996a(5) =686136478104
External references
- oeis: A251353