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 A038668 #7 Oct 07 2013 20:43:42 %S A038668 0,0,1,2,2,3,4,5,6,6,7,9,9,10,11,12,12,14,14,15,17,18,18,20,20,20,21, %T A038668 23,24,25,25,26,28,28,29,32,32,32,33,34,34,36,36,38,39,39,40,42,43,43, %U A038668 44,45,45,47,48,50,51,52,52,54,54,54,56,57,57,59,59,60,61,62,62,65,65,65 %N A038668 a(n)=[ n/3 ] + [ n/4 ] + [ n/7 ] + [ n/11 ] + [ n/18 ] + [ n/29 ] + [ n/47 ] + [ n/76 ] + [ n/123 ] + [ n/199 ]... (using Lucas numbers A000204). %Y A038668 Cf. A038663. %K A038668 nonn %O A038668 1,4 %A A038668 Antreas P. Hatzipolakis (xpolakis(AT)hol.gr) %E A038668 More terms from _Sean A. Irvine_, Feb 28 2010