Number of (2+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235834
Number of (2+1)X(n+1) 0..2 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) =549a(1) =8160a(2) =112146a(3) =1403872a(4) =16791083a(5) =193298612a(6) =2172780930a(7) =23997087333a(8) =261931859433
External references
- oeis: A235834