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A039139
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Numbers whose base-10 representation has the same number of 3's and 8's.
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1
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0, 1, 2, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 17, 19, 20, 21, 22, 24, 25, 26, 27, 29, 38, 40, 41, 42, 44, 45, 46, 47, 49, 50, 51, 52, 54, 55, 56, 57, 59, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, 77, 79, 83, 90, 91, 92, 94, 95, 96, 97, 99, 100, 101, 102
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MAPLE
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filter:= proc(n) local L; L:= convert(n, base, 10);
numboccur(3, L)=numboccur(8, L)
end proc:
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MATHEMATICA
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Select[Range[0, 200], DigitCount[#, 10, 3]== DigitCount[#, 10, 8]&] (* Harvey P. Dale, Mar 27 2011 *)
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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