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 A019594 #14 Aug 06 2015 23:22:15 %S A019594 1,3,2,5,8,5,9,5,10,15,9,15,21,13,20,11,19,27,16,25,13,23,33,19,30,41, %T A019594 25,37,20,33,46,27,41,55,34,49,27,43,59,35,52,27,45,63,36,55,74,45,65, %U A019594 35,56,77,45,67,34,57,80,45,69,93,56,81,43 %N A019594 Conway's "para-budding" sequence. %D A019594 J. H. Conway, personal communication. %H A019594 John R. Britnell, <a href="/A019594/b019594.txt">Table of n, a(n) for n = 0..10000</a> %H A019594 J. H. Conway and N. J. A. Sloane, <a href="/A019586/a019586.pdf">Notes on the Para-Fibonacci and related sequences</a> %H A019594 N. J. A. Sloane, <a href="/classic.html#WYTH">Classic Sequences</a> %K A019594 nonn %O A019594 0,2 %A A019594 _N. J. A. Sloane_