%I #4 Mar 30 2012 16:50:41
%S 1,2,3,1,2,3,4,2,3,4,3,4,1,2,3,4,2,3,4,5,3,4,5,4,2,3,4,3,4,5,4,5,3,4,
%T 4,5,1,2,3,4,2,3,4,5,3,4,5,4,5,2,3,4,5,3,4,5,6,4,5,6,5,3,4,5,4,5,6,5,
%U 4,5,2,3,4,3,4,5,4,5,6,3,4,5,4,5,5,6,4,5,6,5,6,3,4,4,5,4,5,5,6,1,2,3,4,2,3
%N a(n) = sum of digits of A061909(n).
%H T. D. Noe, <a href="/A129968/b129968.txt">Table of n, a(n) for n=1..5000</a>
%K nonn,base
%O 1,2
%A _N. J. A. Sloane_, Jun 13 2007