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 A349967 #10 Dec 09 2021 02:15:01 %S A349967 3,5,15,25,119,81,504,311,1309,481,3601,1639,5985,3329,12070,4033, %T A349967 19418,11261,26019,18107,42872,16153,60900,38897,83970,54993,137460, %U A349967 38161,159650,97089,204930,136307,262010,144361,337810,223327,404508,292241,529310,243685,662071,441145,749385 %N A349967 Number of vertices in regular n-gon after 2 generations of mitosis. %C A349967 See A350000 for further details. %Y A349967 Cf. A349807 (cells), A349968 (edges), A350000, A007569. %K A349967 nonn %O A349967 3,1 %A A349967 _Scott R. Shannon_ and _N. J. A. Sloane_, Dec 07 2021