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%I
%S 1,2,4,7,11,16,22,29,37,46,56,67,79,92,106,121,137,154,172,191,211,
%T 232,253,275,298,322,347,373,400,428,457,487,518,550,583,617,652,688,
%U 725,763,802,842,883,925,967,1010,1054,1099,1145,1192,1240,1289,1339,1390,1442
%N Index of 9^n within sequence of numbers of form 9^i*10^j.
%K nonn
%O 1,2
%A _David W. Wilson_
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