This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A292405 #38 Dec 30 2018 19:20:04 %S A292405 1,5,40,450,6370,104498,1843324,33778574,632053347,11983323029, %T A292405 229304019611,4419024507187,85653324334312,1668284177327594, %U A292405 32629561950146399 %N A292405 Number of 3-regular maps with 2n vertices on the torus, up to orientation-preserving and orientation-reversing isomorphisms. %H A292405 E. Krasko, A. Omelchenko, <a href="https://arxiv.org/abs/1709.03230">Enumeration of r-regular Maps on the Torus. Part II: Enumeration of Unsensed Maps</a>, arXiv preprint arXiv:1709.03230 [math.CO], 2017. %H A292405 E. Krasko, A. Omelchenko, <a href="https://doi.org/10.1016/j.disc.2018.09.004">Enumeration of r-regular maps on the torus. Part II: Unsensed maps</a>, Discrete Mathematics, Volume 342, Issue 2, February 2019, pp. 600-614. %Y A292405 4-regular: A292468, 5-regular: A292109, 6-regular: A292110. %K A292405 nonn,more %O A292405 1,2 %A A292405 _Evgeniy Krasko_, Sep 15 2017