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 A239918 #9 Jan 20 2025 21:23:55 %S A239918 2976853,391288854,28036387466,1449247494892,60441165724160, %T A239918 2158501051914340,68463726004852884,1976314846820429680, %U A239918 52825750657523709792,1324265997531577820388,31439565426089264422698,712298211293218414835136 %N A239918 Number of unrooted maps with n edges of (orientable) genus 5. %H A239918 Timothy R. S. Walsh, Alain Giorgetti, Alexander Mednykh, <a href="http://dx.doi.org/10.1016/j.disc.2011.11.027">Enumeration of unrooted orientable maps of arbitrary genus by number of edges and vertices</a>, Discrete Math. 312 (2012), no. 17, 2660--2671. MR2935417 %Y A239918 Column k=5 of A379438. %Y A239918 Cf. A238355 (rooted), A297881 (unsensed). %Y A239918 Cf. A006386, A104595, A104596, A215019. %K A239918 nonn,more %O A239918 10,1 %A A239918 _Alain Giorgetti_, Mar 29 2014