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Search: id:A153694
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| A153694 |
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Numbers k such that the fractional part of (10/9)^k is less than 1/k. |
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+0
11
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| 1, 2, 7, 62, 324, 1647, 3566, 5464, 8655, 8817, 123956, 132891, 182098
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Numbers k such that fract((10/9)^k) < 1/k, where fract(x) = x-floor(x).
The next such number must be greater than 2*10^5.
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EXAMPLE
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a(3)=7 since fract((10/9)^7)=0.09075...<1/7, but fract((10/9)^k)>=1/k for 3<=k<=6.
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CROSSREFS
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Cf. A153662, A153670, A153678, A153686, A153698, A154130, A153702, A153710, A153718.
Sequence in context: A102896 A088107 A132524 this_sequence A100523 A006506 A011821
Adjacent sequences: A153691 A153692 A153693 this_sequence A153695 A153696 A153697
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KEYWORD
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nonn,more
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AUTHOR
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Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jan 06 2009
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