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2, 17, 23, 47, 89, 113, 127, 137, 167, 223, 233, 239, 257, 263, 353, 359, 383, 431, 433, 439, 449, 457, 479, 503, 569, 593, 599, 617, 641, 647, 719, 727, 743, 809, 839, 857, 863, 887, 911, 919, 929, 953, 977, 983, 1049, 1097, 1103, 1193, 1217, 1223, 1289
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refs;
listen;
history;
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OFFSET
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1,1
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COMMENTS
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Complement of A059334 relative to A000040. - Vincenzo Librandi, Sep 14 2012
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LINKS
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R. J. Mathar, Table of n, a(n) for n = 1..1000
Index entries for related sequences
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MATHEMATICA
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ok[p_]:= Reduce[Mod[x^30 - 2, p] == 0, x, Integers] =!= False; Select[Prime[Range[300]], ok] (* Vincenzo Librandi, Sep 14 2012 *)
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PROG
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(Magma) [p: p in PrimesUpTo(1300) | exists(t){x : x in ResidueClassRing(p) | x^30 eq 2}]; // Vincenzo Librandi, Sep 14 2012
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CROSSREFS
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Cf. A000040, A059334.
Sequence in context: A105901 A154963 A343241 * A107137 A086322 A340048
Adjacent sequences: A049559 A049560 A049561 * A049563 A049564 A049565
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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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STATUS
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approved
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