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 A361138 #10 Mar 03 2023 07:59:17 %S A361138 0,5,104,1647,23560,320198,4222792,54617267,696972524,8807574390, %T A361138 110483092984,1377998069826,17108920039328,211636362018548, %U A361138 2609949110616064,32104324480419131 %N A361138 Number of rooted maps of genus 1 with n edges. %H A361138 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 A361138 Cf. A000168 (genus 0). %K A361138 nonn,more %O A361138 1,2 %A A361138 _R. J. Mathar_, Mar 02 2023