Number of (2+1)X(n+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235825
Number of (2+1)X(n+1) 0..3 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) =2896a(1) =91067a(2) =2623192a(3) =66311937a(4) =1570352593a(5) =34846608905a(6) =739650496878
External references
- oeis: A235825