A166102 Odd numbers k such that A166100((k-1)/2)/k is not an integer.

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

Author

Antti Karttunen, Oct 13 2009

Keywords

• nonn

Comments

Conjecture: a(n) = 3*A166103(n). (Checked for terms a(1)-a(92).)

Links

• A. Karttunen, Table of n, a(n) for n = 1..92

Crossrefs

a(n) = A005408(A166101(n)). Cf. A166272.