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 A165589 #3 Mar 31 2012 13:21:19 %S A165589 1,3,7,68,111,114,125,136,153,500,1000,1016,1114,1201,1204,1275,1301, %T A165589 1303,1305,1307,1412,1481,1483,1485,1487,1489,1492,1495,1497,1502, %U A165589 1509,1512,1676,1747,1749,1752,1755,1758,1763,1767,1769,1774,1789 %N A165589 a(n) = Least i in range [A165588(n),A165588(n+1)] for which abs(A165587(i)) gets the maximum value in that range. %H A165589 A. Karttunen, <a href="/A165589/b165589.txt">Table of n, a(n) for n = 0..1085</a> %Y A165589 A165590 gives the corresponding maximum values. %K A165589 nonn %O A165589 0,2 %A A165589 _Antti Karttunen_, Sep 22 2009