%I #4 Mar 30 2012 17:20:44
%S 5,10,15,20,26,31,36,41,46,51,56,61,66,71,76,81,86,91,96,101,106,111,
%T 116,121,635,660,685,710,735,760,785,810,835,860,885,910,935,960,985,
%U 1010,1035,1060,1085,1110,1135,1160,1185,1210,1235,1260,1285,1310
%N Golc sequence in base 5. Left to right concatenation of n,int(log_5(n)),int(log_5(int(log_5(n)))),... in base5.
%K nonn,base,easy
%O 1,1
%A _Olivier GĂ©rard_