|
%I #20 Dec 30 2018 19:20:37
%S 1,5,46,669,11096,196888,3596104,66867564,1258801076,23925376862,
%T 458284630844,8835496339452,171286387714900,3336406717216564,
%U 65257828878990784,1281049596756607960,25228921286295314736,498287389997552607290,9866927329534881618772,195837489338961245840240
%N Number of 3-regular maps with 2n vertices on the torus, up to orientation-preserving isomorphisms.
%H E. Krasko, A. Omelchenko, <a href="https://arxiv.org/abs/1709.03225">Enumeration of r-regular Maps on the Torus. Part I: Enumeration of Rooted and Sensed Maps</a>, arXiv preprint arXiv:1709.03225[math.CO], 2017.
%H E. Krasko, A. Omelchenko, <a href="https://doi.org/10.1016/j.disc.2018.07.013">Enumeration of r-regular maps on the torus. Part I: Rooted maps on the torus, the projective plane and the Klein bottle. Sensed maps on the torus</a>, Discrete Mathematics, Volume 342, Issue 2, February 2019, pp. 584-599.
%K nonn
%O 1,2
%A _Evgeniy Krasko_, Sep 15 2017
|
