A192795 Number of equivalence classes of permutations under the combined operations of rotating, adding, multiplying, and reversing.

1, 1, 1, 1, 2, 1, 13, 7, 39, 9, 16687, 15, 1537182, 2597, 88782, 796291

Offset

1,5

Links

Table of n, a(n) for n=1..16.

M. J. Grannell, T. S. Griggs, M. Knor, J. Širán, Triangulations of orientable surfaces by complete tripartite graphs, Discrete Math. 306 (2006), 600-606.

Crossrefs

Sequence in context: A064079 A167584 A112226 * A074808 A113097 A032001

Adjacent sequences: A192792 A192793 A192794 * A192796 A192797 A192798

Keyword

nonn,more

Author

N. J. A. Sloane, Jul 11 2011

Status

approved