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A136027
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Smallest prime of the form (prime(k)-2*n)/(2*n+1), any k.
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34
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3, 3, 5, 5, 3, 7, 3, 3, 5, 3, 5, 5, 3, 5, 13, 3, 3, 11, 5, 3, 5, 3, 5, 5, 19, 3, 7, 3, 5, 7, 3, 5, 5, 11, 3, 13, 5, 3, 7, 7, 3, 5, 3, 17, 7, 5, 3, 11, 5, 23, 5, 3, 5, 5, 3, 5, 7, 3, 11, 7, 3, 3, 5, 5, 3, 5, 5, 3, 11, 3, 3, 13, 3, 11, 11, 7, 3, 5, 5, 3, 5, 3, 11, 5, 3, 3, 5, 5, 17, 7, 5, 3, 11, 7, 23, 7
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The associated prime(k) are in A136026.
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EXAMPLE
| a(1)=3 because 3 is smallest prime of the form (p-2)/3; in this case prime(k)=11.
a(2)=3 because 3 is smallest prime of the form (p-4)/5; in this case prime(k)=19.
a(3)=5 because 5 is smallest prime of the form (p-6)/7; in this case prime(k)=41.
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MATHEMATICA
| a = {}; Do[k = 1; While[ !PrimeQ[(Prime[k] - 2n)/(2n + 1)], k++ ]; AppendTo[a, (Prime[k] - 2n)/(2n + 1)], {n, 1, 100}]; a
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CROSSREFS
| Cf. A136019, A136020, A136026.
Sequence in context: A095334 A071182 A197100 * A133772 A129972 A130829
Adjacent sequences: A136024 A136025 A136026 * A136028 A136029 A136030
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KEYWORD
| nonn,easy
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Dec 10 2007
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EXTENSIONS
| Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 17 2009
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