Number of (2+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.
A235785
Number of (2+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) =537a(1) =7331a(2) =86691a(3) =922543a(4) =9242949a(5) =88065309a(6) =811287445a(7) =7265948995a(8) =63735420061a(9) =549443735855
External references
- oeis: A235785