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 A177932 #4 Mar 30 2012 18:52:54 %S A177932 3,5,11,29,59,137,281,569,1151,2309,4649,9341,19139,38711,77489, %T A177932 155381,311681,624047,1248101,2497421,4998941,10002437,20005289, %U A177932 40010609,80021309,160043909,320090921,640196267,1280392739,2560793201,5121618767 %N A177932 Records in A177930. %C A177932 By the construction of A177929, this is a subsequence of A001359. %F A177932 a(n) = A177930(A177931(n)) . %Y A177932 Cf. A177929 - A177931, A001359, A174514, A174216, A174217. %K A177932 nonn %O A177932 1,1 %A A177932 _Vladimir Shevelev_, May 15 2010 %E A177932 Extended by _R. J. Mathar_, May 31 2010