Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
A235587
Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
Terms
- a(0) =20537a(1) =1660676a(2) =140378037a(3) =11284713813a(4) =864122401640
External references
- oeis: A235587