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A125967
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Numbers n for which n^9+n^8-1 is prime.
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0
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14, 21, 27, 42, 51, 53, 69, 78, 90, 104, 111, 128, 137, 149, 156, 159, 190, 219, 231, 247, 254, 289, 315, 322, 330, 331, 336, 344, 354, 397
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history;
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..30.
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MATHEMATICA
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Do[If[PrimeQ[x^9 + x^8 - 1], Print[x]], {x, 1, 400}]
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PROG
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(PARI) is(n)=isprime(n^9+n^8-1) \\ Charles R Greathouse IV, May 15 2013
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CROSSREFS
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Cf. A000040, A045546, A125881-A125885, A125965-A125973.
Sequence in context: A039832 A108633 A110478 * A006625 A114382 A120141
Adjacent sequences: A125964 A125965 A125966 * A125968 A125969 A125970
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski, Dec 14 2006
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STATUS
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approved
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