Number of (n+1)X(1+1) 0..3 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
A235574
Number of (n+1)X(1+1) 0..3 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
Terms
- a(0) =256a(1) =2894a(2) =28978a(3) =268448a(4) =2377726a(5) =20374112a(6) =170668898a(7) =1404828230a(8) =11413317704a(9) =91766116488a(10) =731808519584
External references
- oeis: A235574