Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235786
Number of (3+1)X(n+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
Terms
- a(0) =3199a(1) =86369a(2) =1998795a(3) =40810011a(4) =775083193a(5) =13779480739a(6) =234239906977
External references
- oeis: A235786