Number of (n+1)X(n+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.

A236516

Number of (n+1)X(n+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) =16a(1) =264a(2) =9212a(3) =655460a(4) =99655626a(5) =31459840764

External references