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 A065283 #5 May 01 2014 02:42:46 %S A065283 1,3,7,5,13,2,15,9,25,11,27,4,29,6,31,17,49,19,51,21,53,23,55,8,57,10, %T A065283 59,12,61,14,63,33,97,35,99,37,101,39,103,41,105,43,107,45,109,47,111, %U A065283 16,113,18,115,20,117,22,119,24,121,26,123,28,125,30,127,65,193,67,195 %N A065283 A065281 conjugated with A059893, inverse of A065284. %H A065283 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A065283 a(n) = A059893(A065281(A059893(n))) %K A065283 nonn %O A065283 1,2 %A A065283 _Antti Karttunen_, Oct 28 2001