A031086 - OEIS

%I #4 Mar 30 2012 18:56:20

%S 1,2,3,4,5,6,7,8,9,11,1,15,17,19,21,23,25,27,14,31,2,35,37,39,41,43,

%T 45,16,34,51,3,55,57,59,61,63,18,36,54,71,4,75,77,79,81,20,38,56,74,

%U 91,5,95,97,99,22,40,58,76,94,111,6,115,117,24,42

%N a(n)=least k such that base 9 representation of n begins at s(k), where s=A031076.

%K nonn

%O 1,2

%A _Clark Kimberling_