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Search: id:A086486
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| A086486 |
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Numbers n such that the sum of the distinct prime divisors divides rad(n)=A007947(n). |
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+0
5
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| 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 30, 31, 32, 37, 41, 43, 47, 49, 53, 59, 60, 61, 64, 67, 70, 71, 73, 79, 81, 83, 89, 90, 97, 101, 103, 105, 107, 109, 113, 120, 121, 125, 127, 128, 131, 137, 139, 140, 149, 150, 151, 157, 163, 167
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Every prime power is a member.
Numbers with exactly two prime divisors are not members of the sequence. - Victoria A Sapko (vsapko(AT)canes.gsw.edu), Sep 23 2003
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EXAMPLE
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30 is a member. The prime divisors of 30 are 2,3 and 5 and 2+3+5 = 10, divides 30.
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CROSSREFS
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Cf. A086487, A066031. A proper subset of A089352.
Sequence in context: A014567 A030230 A089352 this_sequence A071139 A046686 A137944
Adjacent sequences: A086483 A086484 A086485 this_sequence A086487 A086488 A086489
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 28 2003
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EXTENSIONS
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More terms from Victoria A Sapko (vsapko(AT)canes.gsw.edu), Sep 23 2003
Edited by Franz J. Vrabec (franz.vrabec(AT)planetuniqa.at), Sep 03 2005
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