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Numbers whose base-4 representation contains exactly one 0 and two 2's.
0

%I #11 May 28 2023 01:37:43

%S 34,40,74,98,104,134,137,139,142,146,152,161,163,164,172,178,184,202,

%T 226,232,282,294,297,299,302,314,330,354,360,390,393,395,398,402,408,

%U 417,419,420,428,434,440,458,482,488,534,537

%N Numbers whose base-4 representation contains exactly one 0 and two 2's.

%t Select[Range[600],DigitCount[#,4,0]==1&&DigitCount[#,4,2]==2&] (* _Harvey P. Dale_, May 26 2018 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_