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 A064294 #10 Mar 30 2014 03:54:40 %S A064294 1,4,5,16,31,64,131,222,403,770,1409,2652,4825,9078,16773,30768,56827, %T A064294 99734,181653,328002,588583,1032996,1787013,3220128,5771203,10201340, %U A064294 18394609,32144188,58055311,101762018,173367175,302844912,511518279,904032692 %N A064294 Term at which last number of height n occurs in Recamán's sequence A005132. %C A064294 The height of a term in A005132 = number of addition steps - number of subtraction steps to produce it. %H A064294 N. J. A. Sloane, <a href="/A005132/a005132.txt">FORTRAN program for A005132, A057167, A064227, A064228</a> %H A064294 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a> %Y A064294 Cf. A005132, A064290, A064292, A064293. This sequence and A064492 keep pretty close together. %K A064294 nonn %O A064294 1,2 %A A064294 _N. J. A. Sloane_, Sep 26 2001