Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A236488
Number of (n+1)X(4+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =26091a(1) =2339313a(2) =192914141a(3) =14826588345
External references
- oeis: A236488