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Search: id:A037218
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| A037218 |
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Smallest natural number k such that periodic part of 1/k is the prime p(n), or 0 if no such k exists. |
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+0
1
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| 45, 3, 18, 36, 9, 1584, 193359, 405504, 309375, 7734375, 1584, 25952256, 12672, 103809024, 12976128
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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Extracted from A037207.
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EXAMPLE
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Example: 1/1584 = 0.00063131313...; prime p(6)=13; a(6)=1584.
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CROSSREFS
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Sequence in context: A119058 A131994 A037940 this_sequence A070818 A129536 A108909
Adjacent sequences: A037215 A037216 A037217 this_sequence A037219 A037220 A037221
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KEYWORD
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base,easy,nonn
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AUTHOR
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Jean-Marc Rebert (jm.rebert(AT)rmcnet.fr)
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EXTENSIONS
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I believe a(p)=0 will eventually occur [ N. J. A. Sloane (njas(AT)research.att.com) ].
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