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A045147
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Numbers whose base-4 representation contains exactly two 2's and four 3's.
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0
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2815, 3007, 3055, 3067, 3070, 3775, 3823, 3835, 3838, 4015, 4027, 4030, 4075, 4078, 4090, 6911, 7103, 7151, 7163, 7166, 7871, 7919, 7931, 7934, 8111, 8123, 8126, 8171, 8174, 8186, 8959, 9151, 9199, 9211, 9214, 9983
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[12000], DigitCount[#, 4, 2] == 2 && DigitCount[#, 4, 3] == 4&] (* Harvey P. Dale, Jan 05 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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