Number of (3+1)X(n+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A236492
Number of (3+1)X(n+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =3987a(1) =155757a(2) =5674353a(3) =192914141a(4) =6339553813a(5) =203305266809
External references
- oeis: A236492