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 A031214 #23 Dec 22 2024 12:08:34 %S A031214 0,1,1,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,2,1,0,1,1,1,1,1,2,1,0,1,2,0,1, %T A031214 0,2,2,2,1,2,1,1,2,1,0,1,1,1,0,1,2,8,14,4,1,1,2,2,1,1,1,1,1,1,0,4,1,1, %U A031214 1,1,0,1,0,1,0,0,1,0,1,1,0,1,1,1,1,1,2,1,1,1,1,1,0,0,1,0,1,1 %N A031214 Initial term of sequence An. %C A031214 This ignores the offset and gives the first term of the actual entry. %C A031214 Since the sequences in the OEIS occasionally change their initial terms (for editorial reasons), this is an especially ill-defined sequence! - _N. J. A. Sloane_, Jan 01 2005 %C A031214 Sequences like this are deprecated. - _Joerg Arndt_, Apr 16 2020 %H A031214 PrimeFan, <a href="http://primefan.tripod.com/EsotericIntegerSequences.html">Esoteric Integer Sequences</a> %H A031214 PrimeFan, <a href="/A031214/a031214.pdf">Esoteric Integer Sequences</a> [Cached copy] %H A031214 N. J. A. Sloane, <a href="/index.html">Online Encyclopedia of Integer Sequences</a> %H A031214 <a href="/index/Se#selfies">Index entries for sequences whose definition involves A_n (or An)</a>. %e A031214 A000001 begins 0,1,1,1,2,1,2,1,5,2,... so a(1) = 0 = a(31214). %Y A031214 Cf. A039928, A051070, A091967, A107357, A102288; also A000001, A000002, A000003, A000004, A000005, etc. %K A031214 nonn,less,dumb %O A031214 1,20 %A A031214 _Jeff Burch_ %E A031214 Data updated by _Sean A. Irvine_, Apr 16 2020