%I #4 Mar 30 2012 18:56:19
%S 4,3,2,1,7,4,50,39,27,15,42,40,3,36,25,13,30,28,26,2,22,11,18,16,14,
%T 12,1,8,6,55,43,31,19,7,67,52,478,370,262,4,480,51,50,367,259,151,404,
%U 39,48,350,256,148,296,27,46,242,224,145,188,15,44
%N Least k such that base 6 representation of n begins at s(k), where s=A030586.
%K nonn
%O 1,1
%A _Clark Kimberling_