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A099316 Greatest 3-smooth number dividing the n-th minimal number. +0
6
1, 2, 4, 6, 12, 16, 24, 36, 48, 12, 64, 24, 144, 36, 192, 48, 72, 576, 144, 24, 36, 192, 1024, 36, 1296, 48, 72, 576, 3072, 144, 4096, 144, 5184, 36, 1296, 192, 216, 9216, 288, 12288, 576, 432, 3072, 576, 144, 5184, 72, 1296, 36864, 36, 1296, 9216, 46656, 288 (list; graph; listen)
OFFSET

1,2

COMMENT

A minimal number is the smallest number with a given number of divisors, see A007416;

a(n) = A065331(A007416(n)).

CROSSREFS

Cf. A099315, A003586, A099312, A099314.

Sequence in context: A089395 A089699 A089696 this_sequence A007416 A098895 A023995

Adjacent sequences: A099313 A099314 A099315 this_sequence A099317 A099318 A099319

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 12 2004

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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