Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
A235514
Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =2660a(1) =103736a(2) =3977050a(3) =150092214a(4) =5645191775a(5) =211711499238
External references
- oeis: A235514