%I
%S 1,3,6,5,7,9,10,11,15,18,19,21,23,52,37,39,43,47,69,71,74,75,79,87,
%T 138,139,143,149,151,267,271,275,277,279,287,527,530,531,533,535,543,
%U 551,671,1045,1047,1055,1061,1063,1067,1071,2079,2122,2085,2087,2091,2095,4131,4170,4133,4135
%N Smallest index m such that A269502(m) = n.
%e a(7) = 10 because A269502(10) is the first occurrence of the value 7 in that sequence.
%p # Maple program is at A269502.
%Y Cf. A269502.
%K base,nonn
%O 1,2
%A _Marko Riedel_, May 11 2016
