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 A084467 #4 Jul 29 2017 13:10:32 %S A084467 7,11,13,19,25,35,21,37,41,69,49,67,97,131,73,137,81,133,161,261,193, %T A084467 259,145,265,289,521,321,517,385,515,273,529,545,1041,577,1033,641, %U A084467 1029,769,1027,1537,2051,1057,2081,1089,2065,1153,2057,1281,2053,2561,4101 %N A084467 Odd terms of A084457. %F A084467 a(n) = A084457(A084464(n)). %Y A084467 Permutation of A084468. A084469(n) gives the position of a(n) in A084468(n). %K A084467 nonn %O A084467 1,1 %A A084467 _Antti Karttunen_, Jun 02 2003