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%I #9 May 16 2023 22:05:42
%S 5,17,20,23,29,53,65,68,71,77,80,83,92,95,113,116,119,125,197,209,212,
%T 215,221,245,257,260,263,269,272,275,284,287,305,308,311,317,320,323,
%U 332,335,368,371,380,383,449,452,455,461,464
%N Numbers whose base-4 representation contains exactly two 1's and no 2's.
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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