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A171784 Fourth smallest divisor of smallest number having exactly n divisors. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

COMMENTS

Fourth column of triangle in A081532. - N. J. A. Sloane, Oct 12 2010.

LINKS

Table of n, a(n) for n=4..108.

EXAMPLE

a(5) = 8 because divisors of 16 are 1,2,4,8,16

CROSSREFS

Cf. A081532, A171783. - N. J. A. Sloane, Oct 12 2010.

Sequence in context: A195492 A269802 A269991 * A200133 A021150 A065166

Adjacent sequences:  A171781 A171782 A171783 * A171785 A171786 A171787

KEYWORD

nonn

AUTHOR

J. Lowell, Oct 12 2010

EXTENSIONS

More terms from R. J. Mathar, Oct 13 2010

STATUS

approved

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Last modified March 19 13:34 EDT 2019. Contains 321330 sequences. (Running on oeis4.)