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A291907
Numbers such that the nonzero digits in the base 3 expansion consists of two 1s and one 2.
3
14, 16, 22, 32, 34, 38, 42, 46, 48, 58, 64, 66, 86, 88, 92, 96, 100, 102, 110, 114, 126, 136, 138, 144, 166, 172, 174, 190, 192, 198, 248, 250, 254, 258, 262, 264, 272, 276, 288, 298, 300, 306, 326, 330, 342, 378, 406, 408, 414, 432, 490, 496, 498, 514, 516, 522
OFFSET
1,1
COMMENTS
If k belongs to this sequence, A060350(k) and A291903(k) are divisible by 3.
LINKS
Richard Ehrenborg and Alex Happ, On the powers of the descent set statistic, arXiv:1709.00778 [math.CO], 2017.
FORMULA
A023693 INTERSECT A023699. - R. J. Mathar, Nov 10 2017
MATHEMATICA
Select[Range[1000], DigitCount[#, 3, {1, 2}] == {2, 1} &] (* Amiram Eldar, Apr 07 2022 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Richard Ehrenborg, Sep 05 2017
STATUS
approved