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A227549 Numbers that contain their base-16 representation in their decimal representation. 9

%I #47 Apr 21 2023 13:31:39

%S 0,1,2,3,4,5,6,7,8,9,357440,357441,357442,357443,357444,357445,357446,

%T 357447,357448,357449,1079653,1081713,1122966,1123079,1123080,2246166,

%U 3369253,3371313,3412566,4494393,4494400,4535653,5658739,5658740,5660793,5660800

%N Numbers that contain their base-16 representation in their decimal representation.

%H Roland Kneer and Giovanni Resta, <a href="/A227549/b227549.txt">Table of n, a(n) for n = 1..139</a> (terms < 16^22, first 55 terms from Roland Kneer)

%e 357440 = (57440)_16

%e 1079653 = (107965)_16

%e 23132273099720801084801040 = (1322730997208010848010)_16

%t Select[Range[0,5661000],SequenceCount[IntegerDigits[#],IntegerDigits[#,16]]>0&] (* _Harvey P. Dale_, Apr 21 2023 *)

%Y Subsequence of A102489.

%K nonn,base

%O 1,3

%A _Roland Kneer_, Aug 05 2013

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)