Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 1-1 2-cycles.

A271962

Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 1-1 2-cycles.

Terms

    a(0) =1a(1) =3a(2) =23a(3) =445a(4) =23145a(5) =3135539a(6) =1120710711

External references