Number of (n+1)X(3+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235663
Number of (n+1)X(3+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =33610a(1) =3405756a(2) =314516602a(3) =25779181084
External references
- oeis: A235663