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A006313
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Numbers n such that n^16 + 1 is prime.
(Formerly M2164)
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22
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1, 2, 44, 74, 76, 94, 156, 158, 176, 188, 198, 248, 288, 306, 318, 330, 348, 370, 382, 396, 452, 456, 470, 474, 476, 478, 560, 568, 598, 642, 686, 688, 690, 736, 774, 776, 778, 790, 830, 832, 834, 846, 900, 916, 946, 956, 972, 982, 984, 1018, 1044, 1078
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| T. D. Noe, Table of n, a(n) for n=1..1000
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MATHEMATICA
| lst={}; Do[If[PrimeQ[n^16+1], AppendTo[lst, n]], {n, 10^4}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 20 2008]
s=Reap[Sow[1]; Do[If[PrimeQ[n^16+1], Sow[n]], {n, 2, 40352, 2}]][[2, 1]] (*Zak Seidov, Dec 22 2010*)
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PROG
| (PARI) isA006313(n) = isprime(n^16+1) [From Michael B. Porter (michael_b_porter(AT)yahoo.com), Mar 25 2010]
(MAGMA) [ n: n in [0..1500] | IsPrime(n^16+1) ]; [From Vincenzo Librandi, Nov 18 2010]
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CROSSREFS
| Cf. A005574, A000068, A006314, A006315, A006316, A056994, A056995
Sequence in context: A156478 A156508 A007367 * A059737 A123829 A035605
Adjacent sequences: A006310 A006311 A006312 * A006314 A006315 A006316
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 22 2003
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