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 A368988 #9 Jan 12 2024 12:05:08 %S A368988 0,2,3,4,6,12,14,24,28,56,60,112,120,124,240,248,480,488,496,992,1000, %T A368988 1008,2016,2032,4016,4024,4064,4080,8112,8128,8160,8176,16312,16320, %U A368988 16352,16368 %N A368988 Positions of records in A368698. %C A368988 The even perfect numbers seem to occur here, as via Doudna-mapping they encode terms of A324201, which in turn have large values in A344005. %Y A368988 Cf. A000396, A324201, A344005, A368698, A368989 (values of records). %K A368988 nonn %O A368988 1,2 %A A368988 _Antti Karttunen_, Jan 12 2024