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 A165584 #3 Mar 31 2012 13:21:19 %S A165584 2,7,9,12,17,24,33,37,42,48,53,55,340,373,375,382,387,394,481,601,604, %T A165584 608,612,695,852,862,869,2653,7612,7615,7617,7946,8420,8509,8519,8521, %U A165584 8540,8557,8582,8605,8625,8631,8634,8637,8640,8643,8653,8699,8701 %N A165584 a(n) = Least i in range [A165583(n),A165583(n+1)] for which abs(A165582(i)) gets the maximum value in that range. %H A165584 A. Karttunen, <a href="/A165584/b165584.txt">Table of n, a(n) for n = 0..1095</a> %Y A165584 A165585 gives the corresponding maximum values. %K A165584 nonn %O A165584 0,1 %A A165584 _Antti Karttunen_, Sep 22 2009