Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 4-1 elements moved to themselves.

A271680

Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 4-1 elements moved to themselves.

Terms

    a(0) =1a(1) =6a(2) =51a(3) =1564a(4) =96249a(5) =15313428a(6) =5570048178

External references