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 A167228 #11 Oct 09 2021 06:53:13 %S A167228 0,1,1,4,6,7,11,16,16,26,29,30,42,47,48,64,72,70,89,104,90,119,131, %T A167228 124,162,170,158,190,210,202,239,256,232,290,308,286,342,359,332 %N A167228 Number of 3-self-hedrites with n vertices. %H A167228 Mathieu Dutour Sikiric, Michel Deza, <a href="http://arxiv.org/abs/0910.5323">4-regular and self-dual analogs of fullerenes</a>, Oct 28, 2009. %Y A167228 Cf. A167156, A167157, A167158, A167159, A111361, A167227, A167229. %K A167228 nonn %O A167228 2,4 %A A167228 _Jonathan Vos Post_, Oct 30 2009