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 A269830 #9 Mar 11 2016 21:39:28 %S A269830 1,2,2,6,11,22,34,61,115,220,397,681,1329,2430,4561,8116,14848,24878 %N A269830 Number of terms of height n in Recamán's sequence A005132. %C A269830 The height (A064289) of a term in Recamán's sequence (A005132) = number of addition steps - number of subtraction steps to produce it. %H A269830 Danny Rorabaugh, <a href="/A269830/a269830.txt">All terms of height n<=18 in Recamán's sequence</a> %H A269830 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a> %Y A269830 Cf. A064289, A064290, A064293. %K A269830 nonn,more %O A269830 1,2 %A A269830 _Danny Rorabaugh_, Mar 05 2016