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%I #8 Apr 24 2021 20:47:39
%S 20,101,164,173,180,181,183,184,185,186,187,188,191,200,209,218,227,
%T 236,263,344,425,506,587,668,749,830,893,902,909,910,912,913,914,915,
%U 916,917,920,929,938,947,956,965,992,1073,1154,1235
%N Numbers having two 2's in base 9.
%Y Cf. A007095.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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