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A045031 Numbers whose base-4 representation contains exactly three 0's and three 1's. 0
1029, 1041, 1044, 1089, 1092, 1104, 1281, 1284, 1296, 1344, 4118, 4119, 4121, 4125, 4133, 4149, 4166, 4167, 4169, 4173, 4178, 4179, 4184, 4188, 4193, 4196, 4209, 4212, 4229, 4241, 4244, 4293, 4305, 4308, 4358, 4359 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[5000], DigitCount[#, 4, 0]==DigitCount[#, 4, 1]==3&] (* Harvey P. Dale, Aug 14 2015 *)
CROSSREFS
Cf. A007090.
Sequence in context: A119455 A252772 A168189 * A250759 A260607 A298910
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 16 05:19 EDT 2024. Contains 374343 sequences. (Running on oeis4.)