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URL: https://oeis.org/A166102

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A166102
Odd numbers k such that A166100((k-1)/2)/k is not an integer.
4
3, 27, 75, 243, 363, 675, 867, 1587, 1875, 2187, 2523, 3267, 5043, 6075, 6627, 7803, 8427, 9075, 10443, 14283, 15123, 16875, 19683, 20667, 21675, 22707, 23763, 29403, 30603, 34347, 38307, 39675, 43923, 45387, 46875, 51483, 54675
OFFSET
1,1
COMMENTS
Conjecture: a(n) = 3*A166103(n). (Checked for terms a(1)-a(92).)
LINKS
CROSSREFS
a(n) = A005408(A166101(n)). Cf. A166272.
Sequence in context: A152759 A302275 A302725 * A316754 A045491 A318908
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 13 2009
STATUS
approved