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 A052172 #8 Nov 11 2021 02:44:27 %S A052172 1,1,5,30,332,6414 %N A052172 Pure 3-multicomplexes on infinite set of nodes with n 3-simplexes. %C A052172 Almost certainly a duplicate of A058783. - _Sean A. Irvine_, Nov 10 2021 %Y A052172 Cf. A050913, A050910. %K A052172 more,nonn %O A052172 0,3 %A A052172 _Vladeta Jovovic_, Jan 26 2000