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A175175
Number of primitive numbers k such that 1/k is in the Cantor set and 3^n <= k < 3^(n+1).
0
1, 2, 2, 3, 3, 6, 5, 5, 6, 8, 7, 12, 7, 12, 11, 12, 8, 17, 10, 18, 19, 18, 14, 25, 18, 21, 23, 24, 19, 31, 21, 36, 28, 30, 25, 32, 27, 35, 24
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OFFSET
0,2
COMMENTS
Primitive means that 3 does not divide k. First differences of
A173784
. The values of k are in
A173793
.
LINKS
Table of n, a(n) for n=0..38.
CROSSREFS
Sequence in context:
A143269
A036817
A239962
*
A116417
A271410
A196055
Adjacent sequences:
A175172
A175173
A175174
*
A175176
A175177
A175178
KEYWORD
nonn
AUTHOR
T. D. Noe
, Feb 28 2010
STATUS
approved
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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)