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 A284892 #6 Apr 06 2017 21:18:23 %S A284892 2,3,5,6,7,10,11,13,14,15,17,19,21,22,23,26,29,31,33,34,35,37,38,39,41 %N A284892 Numbers n > 1 such that all Hopf algebras of dimension n over algebraically closed fields of characteristic 0 are semisimple. %C A284892 All terms in this sequence are squarefree, but not all squarefree numbers are present: 1 and 30 are missing. %Y A284892 Proper subsequence of A144338. A000040 and A128907 are subsequences. %K A284892 nonn,hard,more %O A284892 1,1 %A A284892 _Charles R Greathouse IV_, Apr 05 2017