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Search: id:A119318
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| A119318 |
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n-th divisor of A119311(n), the smallest number such that the n-th divisor is a prime power. |
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+0
3
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| 1, 2, 4, 8, 16, 8, 27, 16, 27, 32, 27, 64, 27, 128, 32, 256, 81, 128, 64, 1024, 256, 128, 128, 512, 243, 256, 256, 128, 128, 512, 512, 128, 256, 128, 256, 243, 343, 729, 729, 512, 512, 256, 4096, 729, 1024, 729, 1024, 512, 256, 512, 729, 2048, 256, 1024, 1024
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Not all terms are powers of 2 or of 3, see example.
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EXAMPLE
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n=37: the set of divisors of A119311(37) = 41160 has
tau(41160) = 64 elements: {1,2,3,4,5,6,7,8,10,12,14,15,20,
21,24,28,30,35,40,42,49,56,60,70,84,98,105,120,140,147,168,
196,210,245,280,294,[[343]],392,420,490,588,686, ...},
the 37-th divisor of 41160 = a(37) = 343 = 7^3.
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CROSSREFS
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Cf. A119317, A119319.
Sequence in context: A016018 A070336 A053026 this_sequence A082953 A009289 A070335
Adjacent sequences: A119315 A119316 A119317 this_sequence A119319 A119320 A119321
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 15 2006
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