Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237789
Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =108626a(1) =5195344a(2) =256311790a(3) =12795841200a(4) =635807130472
External references
- oeis: A237789