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 A165474 #3 Mar 31 2012 13:21:19 %S A165474 2,7,9,12,19,26,29,31,38,48,51,53,55,63,73,75,77,79,81,83,188,290,293, %T A165474 297,301,325,362,367,371,373,375,377,380,385,397,401,409,417,419,421, %U A165474 423,425,650,809,813,819,964,1271,1319,1324,1337,1341,1371,1604,1842 %N A165474 a(n) = Least i in range [A165473(n),A165473(n+1)] for which abs(A165472(i)) gets the maximum value in that range. %H A165474 A. Karttunen, <a href="/A165474/b165474.txt">Table of n, a(n) for n = 0..612</a> %Y A165474 A165475 gives the corresponding maximum values. %K A165474 nonn %O A165474 0,1 %A A165474 _Antti Karttunen_, Sep 21 2009