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 A348805 #7 Jan 17 2025 12:30:19 %S A348805 0,0,0,0,47,1372,31007,611322,11017122,186044902,2992773591, %T A348805 46378655568,697928466684,10257901689164,147883893647230 %N A348805 a(n) = number of non-orientable genus 4 maps with n edges. %H A348805 Evgeniy Krasko and Alexander Omelchenko, <a href="https://arxiv.org/abs/1712.10139">Enumeration of Unsensed Orientable Maps on Surfaces of a Given Genus</a>, arXiv:1712.10139 [math.CO], 2017, see Appendix Table 5. %Y A348805 Column k=4 of A380235. %Y A348805 Cf. A348802, A348803, A348804, A348806, A348807, A348808, A348809, A348810, A348811. %K A348805 nonn,more %O A348805 0,5 %A A348805 _Michael De Vlieger_, Nov 01 2021