Number of (n+1) X (4+1) 0..3 arrays with the maximum minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
A238068
Number of (n+1) X (4+1) 0..3 arrays with the maximum minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =67056a(1) =1499348a(2) =27034844a(3) =506608980a(4) =10213967484a(5) =209604948500
External references
- oeis: A238068