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A006314
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Numbers n such that n^8 + 1 is prime.
(Formerly M1308)
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40
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1, 2, 4, 118, 132, 140, 152, 208, 240, 242, 288, 290, 306, 378, 392, 426, 434, 442, 508, 510, 540, 542, 562, 596, 610, 664, 680, 682, 732, 782, 800, 808, 866, 876, 884, 892, 916, 918, 934, 956, 990, 1022, 1028, 1054, 1106, 1120, 1174, 1224, 1232, 1256, 1284
(list;
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listen;
history;
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internal format)
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OFFSET
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1,2
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REFERENCES
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Dubner, Harvey. "Generalized Fermat primes." J. Recreational Math., 18 (1985): 279-280.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..10000
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MATHEMATICA
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Select[Range[1300], PrimeQ[#^8+1]&] (* Harvey P. Dale, Mar 31 2011 *)
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PROG
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(PARI) isA006314(n) = isprime(n^8+1) \\ Michael B. Porter, Mar 24 2010
(Magma) [n: n in [0..2000] | IsPrime(n^8+1)]; Vincenzo Librandi, Nov 18 2010
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CROSSREFS
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Cf. A005574, A000068, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226528, A226529, A226530, A251597, A253854, A244150, A243959, A321323.
Sequence in context: A018463 A132497 A009484 * A326204 A259381 A333621
Adjacent sequences: A006311 A006312 A006313 * A006315 A006316 A006317
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane
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EXTENSIONS
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More terms from James A. Sellers, May 03 2000
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STATUS
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approved
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