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 A352068 #16 Mar 07 2022 07:55:39 %S A352068 1,2,4,10,28,100,441,2574,19849,201682,2647682,43930398,902341498 %N A352068 Number of C4-free graphs (graphs with no induced cycle of length four) with n nodes. %Y A352068 Euler transform of A079566. %K A352068 nonn,more %O A352068 1,2 %A A352068 _Pontus von Brömssen_, Mar 05 2022