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 A348809 #7 Jan 17 2025 12:35:44 %S A348809 0,0,0,0,0,0,0,0,3534490,352456980,19724988666,814875498464, %T A348809 27678691047563,817987730593078,21764920947291140 %N A348809 a(n) = number of non-orientable genus 8 maps with n edges. %H A348809 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 6. %Y A348809 Column k=8 of A380235. %Y A348809 Cf. A348802, A348803, A348804, A348805, A348806, A348807, A348808, A348810, A348811. %K A348809 nonn,more %O A348809 0,9 %A A348809 _Michael De Vlieger_, Nov 01 2021