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%I #13 Aug 10 2021 18:47:00
%S 83,84,85,86,87,88,89,99,102,103,104,105,106,107,108,110,112,113,114,
%T 115,116,117,119,120,122,123,124,125,126,128,129,130,132,133,134,135,
%U 137,138,139,140,142,143,144,146,147,148,149
%N Numbers with exactly three distinct base-9 digits.
%Y Cf. A007095.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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