Number of (n+1)X(3+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.

A238041

Number of (n+1)X(3+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) =1440a(1) =10812a(2) =81524a(3) =621780a(4) =4837484a(5) =36440340a(6) =282305082a(7) =2134998732a(8) =16538701324a(9) =124970610892a(10) =968345824398

External references