%I #4 Mar 30 2012 18:56:05
%S 1,2,3,5,7,9,10,12,13,15,16,18,20,21,23,25,26,28,30,31,33,34,36,38,39,
%T 41,42,44,46,47,49,50,52,54,55,57,59,60,62,63,65,67,68,70,72,73,75,76,
%U 78,80,81,83,85,86,88,89,91,93,94,96,97,99
%N a(n) = least k such that s(k) = n, where s = A026276.
%K nonn
%O 1,2
%A _Clark Kimberling_