%I #12 May 21 2023 11:03:46
%S 5,27,28,29,35,40,45,51,55,76,80,101,105,137,138,139,142,143,144,147,
%T 148,149,177,178,179,185,190,195,202,203,204,210,215,220,227,228,229,
%U 235,240,245,257,258,259,261,266,271,277,278
%N Numbers whose base-5 representation contains exactly one 0 and one 1.
%Y Cf. A007091.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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