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Search: id:A117739
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| A117739 |
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Decimal expansion of what appears to be the smallest possible C for which floor[A^(C^n)] is always prime and starts with the first prime 2 at n=1 with A=2.4522592... |
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+0
1
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| 1, 2, 2, 0, 9, 8, 6, 4, 0, 7, 1, 3, 9, 5, 5, 0, 2, 4
(list; cons; graph; listen)
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OFFSET
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1,2
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REFERENCES
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Cf. A051021, Mills' constant, where floor[A^(3^n)] is always prime
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EXAMPLE
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for n=1,2,3..., floor[2.45225925393212...^(C^n)] leads to the primes 2,3,5,7,11,19,37,83,223,...
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CROSSREFS
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Sequence in context: A009803 A009615 A079194 this_sequence A111810 A019265 A117270
Adjacent sequences: A117736 A117737 A117738 this_sequence A117740 A117741 A117742
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KEYWORD
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nonn,uned,cons
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AUTHOR
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Martin Raab (raab-martin(AT)gmx.de), May 04 2006
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