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 A297881 #9 Jan 20 2025 18:52:42 %S A297881 0,0,0,0,0,0,0,0,0,0,1491629,195728778,14019733828,724646387874, %T A297881 30220873171570,1079253898643492,34231899372185491,988157793188200998, %U A297881 26412878913430197293,662133032168309300424,15719783014093104131694 %N A297881 Number of unsensed genus 5 maps with n edges. %H A297881 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. %H A297881 Timothy R. Walsh, <a href="http://www.info2.uqam.ca/~walsh_t/papers/GENERATING NONISOMORPHIC.pdf">Space-efficient generation of nonisomorphic maps and hypermaps</a>. %Y A297881 Column k=5 of A379439. %Y A297881 Cf. A238355 (rooted), A239918 (sensed). %Y A297881 Cf. A006385, A006387, A214814, A214815, A214816, A297880. %K A297881 nonn %O A297881 0,11 %A A297881 _Evgeniy Krasko_, Jan 07 2018