Number of (n+1)X(7+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A236522
Number of (n+1)X(7+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
Terms
- a(0) =11520a(1) =462970a(2) =17385844a(3) =610630403a(4) =20627269098a(5) =668463714817
External references
- oeis: A236522