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%I #4 Mar 30 2012 18:56:20
%S 7,6,5,4,3,2,1,10,7,131,114,96,78,60,42,24,117,115,6,111,94,76,58,40,
%T 22,99,97,95,5,91,74,56,38,20,81,79,77,75,4,71,54,36,18,63,61,59,57,
%U 55,3,51,34,16,45,43,41,39,37,35,2,31,14,27,25,23
%N a(n)=least k such that base 9 representation of n begins at s(k), where s=A031098.
%K nonn
%O 1,1
%A _Clark Kimberling_
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