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%I #8 Apr 22 2023 20:32:16
%S 47,59,62,111,123,126,143,159,179,183,188,189,203,206,219,222,227,231,
%T 236,237,242,246,248,249,303,315,318,367,379,382,399,415,435,439,444,
%U 445,459,462,475,478,483,487,492,493,498,502
%N Numbers whose base-4 representation contains exactly one 2 and two 3's.
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_