Number of (n+1)X(3+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.
A235781
Number of (n+1)X(3+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) =86691a(2) =1998795a(3) =41559689a(4) =807571787a(5) =14878043073a(6) =263391351981
External references
- oeis: A235781