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 A361137 #10 Mar 03 2023 07:58:42 %S A361137 1,10,98,983,10062,105024,1112757,11934910,129307100,1412855500, %T A361137 15548498902,172168201088,1916619748084,21436209373224, %U A361137 240741065193282,2713584138389838 %N A361137 Number of rooted maps of genus 1/2 with n edges. %H A361137 Valentin Bonzom, Guillaume Chapuy, and Maciej Dolega, <a href="https://doi.org/10.5802/alco.268">Enumeration of non-oriented maps via integrability</a>, Alg. Combin. 5 (6) (2022) pp. 1363-1390, A.1. %Y A361137 Cf. A000168 (genus 0). %K A361137 nonn,more %O A361137 1,2 %A A361137 _R. J. Mathar_, Mar 02 2023