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 A206439 #20 Jul 29 2015 09:59:56
%S A206439 1,1,1,1,2,2,3,3,5,6,7,7,7,7,8,8,9,9,11,12,13,13,13,13,14,14,15,15,17,
%T A206439 18,19,19,19,19,20,20,21,21,23,24,26,27,28,29,31,32,34,35,38,40,41,41,
%U A206439 41,41,42,42,43,43,45,46,48,49,50,51,53,54,56,57,60,62,63,63,63,63,64,64,65,65,67,68,71,73,75,77,80,82,85,87,91
%N A206439 Partial sums of A064692.
%t A206439 Table[Sum[DigitCount[x].{0,0,0,1,0,1,0,2,1,1},{x,0,m}],{m,0,88}] (* _Zak Seidov_, Jul 25 2015 *)
%Y A206439 Cf. A064692.
%K A206439 nonn,base
%O A206439 0,5
%A A206439 _N. J. A. Sloane_, Feb 27 2012