Number of (n+1)X(2+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A236486
Number of (n+1)X(2+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =583a(1) =9839a(2) =155757a(3) =2330087a(4) =33951181a(5) =486130993a(6) =6894201989a(7) =97206875033
External references
- oeis: A236486