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A140605
a(n) = A003680(n)/A005179(n), or 0 if quotient is not an integer.
1
2, 3, 3, 4, 3, 5, 3, 5, 5, 5, 3, 6, 3, 5, 5, 7, 3, 7, 3, 7, 5, 5, 3, 7, 5, 5, 7, 7, 3, 7, 3, 9, 5, 5, 5, 8, 3, 5, 5, 9, 3, 7, 3, 7, 7, 5, 3, 11, 5, 7, 5, 7, 3, 8, 5, 9, 5, 5, 3, 11, 3, 5, 7, 11, 5, 7, 3, 7, 5, 7, 3, 11, 3, 5, 7, 7, 5, 7, 3, 11, 8, 5, 3, 11, 5, 5, 5, 9, 3, 11, 5, 7, 5, 5, 5, 12, 3, 7, 7, 11, 3
OFFSET
1,1
COMMENTS
a(810) = 0; the quotient is the non-integer 144/11.
n=810 is the only such case among the first 1000 terms. - Antti Karttunen, Oct 21 2017
a(n) = 0 for n in {810, 10206, 13608, 18225, 24300, 32400, ...}. - David A. Corneth, Oct 05 2022
LINKS
David A. Corneth, Table of n, a(n) for n = 1..10000 (first 1000 terms from Antti Karttunen)
EXAMPLE
a(10) = 5 because A003680(10) = 240 and A005179(10) = 48 and 240/48=5.
CROSSREFS
Sequence in context: A113312 A334954 A053475 * A350064 A351085 A049878
KEYWORD
nonn
AUTHOR
J. Lowell, Jul 07 2008
EXTENSIONS
More terms from R. J. Mathar, Feb 19 2009
STATUS
approved