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 A064472 #5 Mar 30 2012 16:49:13 %S A064472 1,2,3,6,7,8,11,12,15,16,17,18,22,25,26,29,30,31,34,35,39,40,41,44,45, %T A064472 46,47,48,51,54,55,58,59,62,63,64,65,69,70,71,72,76,78,79,82,85,86,87, %U A064472 90,91,93,94,97,98,101,102,103,104,105,109,112,113 %N A064472 Where the even terms appear in A064413 (if it begins with 2). %H A064472 J. C. Lagarias, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/abs/math.NT/0204011">The EKG sequence</a>, Exper. Math. 11 (2002), 437-446. %H A064472 <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a> %Y A064472 Cf. A064413. See A064953 for better version. %K A064472 nonn %O A064472 1,2 %A A064472 _N. J. A. Sloane_, Oct 05 2001