Number of (n+1)X(3+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A236487
Number of (n+1)X(3+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) =156087a(2) =5674353a(3) =192685833a(4) =6319589033a(5) =202321147069
External references
- oeis: A236487