Number of nX3 array permutations with each element moved but moved no more than a city block distance of two.

A188977

Number of nX3 array permutations with each element moved but moved no more than a city block distance of two.

Terms

    a(0) =2a(1) =116a(2) =7264a(3) =295264a(4) =12838276a(5) =577290185a(6) =25631148992

External references