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 A130972 #5 Mar 31 2012 13:21:16 %S A130972 1,3,7,11,21,22,24,30,31,41,44,55,58,60,64,68,77,86,88,94,109,118,120, %T A130972 126,134,140,146,151,155,168,176,181,187,197,201,204,205,213,217,221, %U A130972 228,230,239,251,256,260,274,286,290,295,298,450,549,1379,2456,5658 %N A130972 Positions of records in A130971. %H A130972 Ray Chandler, <a href="/A130972/b130972.txt">Table of n, a(n) for n=1..61</a> %Y A130972 Cf. A103149, A103150. %K A130972 nonn %O A130972 1,2 %A A130972 _Antti Karttunen_, Jun 19 2007 %E A130972 Extended by _Ray Chandler_, Aug 06 2010