A031275 - OEIS

%I #4 Mar 30 2012 18:56:21

%S 1,2,3,10,4,11,1,6,13,35,15,40,2,19,29,3,7,28,9,47,10,14,88,33,95,4,

%T 149,16,142,69,11,56,52,12,57,155,82,1,37,137,215,6,27,219,77,25,13,

%U 240,237,463,35,234,131,58,15,55,232,598,156,260,119

%N a(n)=least k such that the base 5 representation of n begins at s(k), where s=A031269.

%K nonn

%O 1,2

%A _Clark Kimberling_