Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237907
Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =12552a(1) =271292a(2) =5802892a(3) =117244060a(4) =2545423850a(5) =54765533116
External references
- oeis: A237907