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Search: id:A067046
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| 1, 2, 10, 10, 35, 28, 84, 60, 165, 110, 286, 182, 455, 280, 680, 408, 969, 570, 1330, 770, 1771, 1012, 2300, 1300, 2925, 1638, 3654, 2030, 4495, 2480, 5456, 2992, 6545, 3570, 7770, 4218, 9139, 4940, 10660, 5740, 12341, 6622, 14190
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OFFSET
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1,2
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COMMENT
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Can there be arbitrarily long runs of consecutive equal values? E.g. a(3) =a(4) =10.
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REFERENCES
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Amarnath Murthy, Some Notions on Least Common Multiples, Smarandache Notions Journal, Vol. 12, No. 1-2-3,Spring 2001.
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LINKS
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M. L. Perez et al., eds., Smarandache Notions Journal
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FORMULA
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G.f.: (x^4+2x^3+6x^2+2x+1)/(1-x^2)^4.
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EXAMPLE
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a(6) = 28 as LCM(6,7,8)/6 = 168/6 = 28.
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CROSSREFS
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Sequence in context: A156556 A071808 A156780 this_sequence A066394 A033466 A089601
Adjacent sequences: A067043 A067044 A067045 this_sequence A067047 A067048 A067049
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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), Dec 30 2001
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