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A043469 Numbers having one 4 in base 9. 0

%I #10 Apr 24 2021 20:45:42

%S 4,13,22,31,36,37,38,39,41,42,43,44,49,58,67,76,85,94,103,112,117,118,

%T 119,120,122,123,124,125,130,139,148,157,166,175,184,193,198,199,200,

%U 201,203,204,205,206,211,220,229,238,247,256

%N Numbers having one 4 in base 9.

%t Select[Range[300],DigitCount[#,9,4]==1&] (* _Harvey P. Dale_, Jul 28 2020 *)

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)