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 A115860 #5 Mar 31 2012 13:21:10 %S A115860 0,0,0,3,0,7,5,0,0,15,13,19,9,15,21,27,0,31,29,35,25,27,0,27,17,0,45, %T A115860 51,25,55,45,59,0,63,61,67,57,71,69,63,49,63,61,83,73,79,77,75,33,87, %U A115860 93,99,89,103,85,91,81,111,101,115,105,75,53,75,0 %N A115860 Terms at odd positions of A115859. %H A115860 <a href="/index/Con#CongruCrossDomain">Index entries for sequences defined by congruent products between domains N and GF(2)[X]</a> %Y A115860 Bisection of A115859. %K A115860 nonn %O A115860 1,4 %A A115860 _Antti Karttunen_, Feb 07 2006