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 A210607 #36 Apr 10 2014 00:14:25 %S A210607 0,1,4,9,12,16,20,25,36 %N A210607 Vertex number of an L-toothpick structure which give Recamán's sequence A005132. %C A210607 For more information see A210606. %H A210607 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a> %H A210607 <a href="/index/To#toothpick">Index entries for sequences related to toothpick sequences</a> %Y A210607 First differences give A210606. %Y A210607 A002378, A005132, A119632, A139250, A160356, A171175, A171178, A172310, A187210, A210607-A210613. %K A210607 nonn,more %O A210607 1,3 %A A210607 _Omar E. Pol_, Mar 24 2012