%I #12 Nov 21 2013 12:45:57
%S 1,2,4,8,16,24,32,40,48,56,64,72,80,96,104,112,120,128,136,144,152,
%T 168,176,184,192,200,208,216,224,240,256,264,272,280,288,296,312,328,
%U 336,344,352,360,368,384,400,416,424,432,440,456,472,488,496
%N a(n+1) = a(n) + sum of digits in base 9 representation of a(n).
%H <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a>
%t NestList[#+Total[IntegerDigits[#,9]]&,1,60] (* _Harvey P. Dale_, Apr 18 2011 *)
%K nonn,base
%O 0,2
%A _Leonid Broukhis_
%E More terms from Neven Juric, Apr 11 2008