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A171784
Fourth smallest divisor of smallest number having exactly n divisors.
2
6, 8, 4, 8, 4, 4, 4, 8, 4, 8, 4, 4, 4, 8, 4, 8, 4, 4, 4, 8, 4, 4, 4, 4, 4, 8, 4, 8, 4, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 8, 4, 4, 4, 8, 4, 4, 4, 4, 4, 8, 4, 4, 4, 4, 4, 8, 4, 8, 4, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 8, 4, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 4, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 8, 4, 4, 4, 8, 4
OFFSET
4,1
COMMENTS
Fourth column of triangle in A081532. - N. J. A. Sloane, Oct 12 2010.
LINKS
David A. Corneth, Table of n, a(n) for n = 4..10003 (first 1997 terms from Antti Karttunen)
EXAMPLE
a(5) = 8 because divisors of 16 are 1,2,4,8,16.
CROSSREFS
KEYWORD
nonn
AUTHOR
J. Lowell, Oct 12 2010
EXTENSIONS
More terms from R. J. Mathar, Oct 13 2010
STATUS
approved