%I #8 Jul 26 2023 03:21:11
%S 9,29,33,45,55,57,63,89,101,105,137,141,153,167,169,173,177,181,183,
%T 191,195,207,217,219,225,269,305,317,321,413,425,429,461,465,477,503,
%U 509,511,521,533,537,545,547,551,555,559,561,575
%N Numbers whose base-3 representation contains exactly two 0's and one 1.
%Y Cf. A007089.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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