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

Author

N. J. A. Sloane, Jul 11 2011

Keywords

• nonn
• more

Links

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