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A091462
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Sum from 3 to a(n) of 1/(3k) exceeds n.
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2
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..8.
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FORMULA
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a(n) = 3*A002387(3n).
The next term is approximately the previous term * e^3.
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MATHEMATICA
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s = 0; k = 3; Do[ While[s = N[s + 1/k, 24]; s <= n, k += 3]; Print[k]; k += 3, {n, 1, 12}]
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CROSSREFS
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Cf. A002387, A056053, A056054, A091463, A091464.
Sequence in context: A094760 A083956 A164761 * A028210 A028205 A028191
Adjacent sequences: A091459 A091460 A091461 * A091463 A091464 A091465
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v, Jan 12 2004
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STATUS
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approved
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