Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237867
Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =453088a(1) =14144254a(2) =466228162a(3) =16245005586a(4) =524709935082
External references
- oeis: A237867