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 A014014 #8 Mar 30 2012 18:36:12 %S A014014 3,7,112,115,157,372,432,1340,7034,8396,9200,18846,29558,34050,89754, %T A014014 101768,1361737,48461857,81164005,145676139,163820009,182446527, %U A014014 5021656281,8401618827,22255558907 %N A014014 Alternating Engel expansion of Pi. %H A014014 <a href="/index/El#Engel">Index entries for sequences related to Engel expansions</a> %Y A014014 A061233 is a better version of this sequence. %K A014014 nonn %O A014014 0,1 %A A014014 _Simon Plouffe_