Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
A235435
Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =26091a(1) =2616323a(2) =253925273a(3) =23147332121
External references
- oeis: A235435