Number of (n+1)X(4+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
A235445
Number of (n+1)X(4+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =742a(1) =15936a(2) =335898a(3) =7017768a(4) =146213244a(5) =3043145826a(6) =63315473350
External references
- oeis: A235445