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A039530
Numbers whose base-12 representation has the same nonzero number of 3's and 11's.
0
47, 135, 191, 279, 335, 423, 443, 455, 467, 491, 503, 515, 527, 539, 551, 563, 564, 565, 566, 568, 569, 570, 571, 572, 573, 574, 623, 711, 767, 855, 911, 999, 1055, 1143, 1199, 1287, 1343, 1431, 1487, 1575, 1587, 1599, 1611, 1620, 1621, 1622
OFFSET
1,1
MATHEMATICA
Select[Range[2000], DigitCount[#, 12, 3]==DigitCount[#, 12, 11]>0&] (* Harvey P. Dale, Jan 08 2015 *)
CROSSREFS
Sequence in context: A044679 A350863 A253225 * A288408 A095311 A005112
KEYWORD
nonn,base,easy
STATUS
approved