Number of (n+1)X(4+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A238042

Number of (n+1)X(4+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =6064a(1) =61668a(2) =621780a(3) =6698520a(4) =70363916a(5) =735878108a(6) =7744640808a(7) =81468910084a(8) =855621962264

External references