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A230508
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Positive integers m with 2^m + p(m) prime, where p(.) is the partition function (A000041).
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0
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1, 3, 13, 14, 39, 51, 63, 146, 229, 261, 440, 587, 621, 636, 666, 1377, 2686, 3069, 3712, 13604
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OFFSET
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1,2
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COMMENTS
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It seems that there are only finitely many primes of the form 2^m + p(m).
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LINKS
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Table of n, a(n) for n=1..20.
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EXAMPLE
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a(1) = 1 since 2^1 + p(1) = 2 + 1 = 3 is prime.
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MATHEMATICA
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n=0; Do[If[PrimeQ[2^m+PartitionsP[m]], n=n+1; Print[n, " ", m]], {m, 1, 10000}]
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CROSSREFS
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Cf. A000040, A000041, A000079, A236390.
Sequence in context: A224693 A043055 A101235 * A045233 A113487 A032623
Adjacent sequences: A230505 A230506 A230507 * A230509 A230510 A230511
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KEYWORD
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nonn
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AUTHOR
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Zhi-Wei Sun, Jan 25 2014
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STATUS
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approved
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