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 A379437 #7 Jan 17 2025 02:33:52 %S A379437 1,1,6,16,71,267,1162 %N A379437 Number of rooted 2-connected simple planar maps with n edges. %C A379437 A simple planar map is a planar map without loops or parallel edges. %Y A379437 Cf. A000139, A000168, A006406 (sensed), A006407 (unsensed). %K A379437 nonn,more %O A379437 3,3 %A A379437 _Andrew Howroyd_, Jan 16 2025