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A173975
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Numbers k such that k^k + 115 is prime.
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0
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OFFSET
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1,1
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COMMENTS
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a(7) > 3000. - Daniel Starodubtsev, Aug 05 2019
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LINKS
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Table of n, a(n) for n=1..6.
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MATHEMATICA
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f[n_]:=PrimeQ[n^n+115]; lst={}; Do[If[f[n], AppendTo[lst, n]], {n, 6!}]; lst
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PROG
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(PARI) is(n)=ispseudoprime(n^n+115) \\ Charles R Greathouse IV, Jun 13 2017
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CROSSREFS
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Cf. A100837, A100838, A100839, A173974.
Sequence in context: A086913 A108341 A350526 * A349770 A349225 A199884
Adjacent sequences: A173972 A173973 A173974 * A173976 A173977 A173978
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KEYWORD
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nonn,hard,more
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AUTHOR
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Vladimir Joseph Stephan Orlovsky, Mar 03 2010
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STATUS
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approved
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