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A057643
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Least common multiple of all (k+1)'s, where the k's are the positive divisors of n.
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6
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2, 6, 4, 30, 6, 84, 8, 90, 20, 66, 12, 5460, 14, 120, 48, 1530, 18, 7980, 20, 2310, 88, 276, 24, 81900, 78, 378, 140, 3480, 30, 114576, 32, 16830, 204, 630, 72, 3838380, 38, 780, 280, 284130, 42, 397320, 44, 4140, 5520, 1128, 48, 9746100, 200, 14586, 468
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Carl R. White, Table of n, a(n) for n = 1..10000
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EXAMPLE
| Since the positive divisors of 6 are 1, 2, 3 and 6, a(6) = LCM(1+1,2+1,3+1,6+1) = LCM(2,3,4,7) = 84.
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CROSSREFS
| Cf. A119250.
Sequence in context: A039656 A006233 A164020 * A073039 A064538 A002790
Adjacent sequences: A057640 A057641 A057642 * A057644 A057645 A057646
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KEYWORD
| nonn
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AUTHOR
| Leroy Quet Oct 11 2000
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