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A059667
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Primes p such that x^49 = 2 has no solution mod p, but x^7 = 2 has a solution mod p.
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11
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4999, 6959, 7351, 11467, 15583, 16073, 20483, 21169, 21757, 30773, 35771, 37339, 38711, 41161, 45179, 46649, 48119, 51157, 51647, 57527, 58997, 64877, 75167, 75853, 80263, 83791, 84869, 85751, 86927, 93983, 95747, 105253, 110251, 115837
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (PARI) forprime(p=2, 116000, x=0; while(x<p&&x^7%p!=2%p, x++); if(x<p, y=0; while(y<p&&y^(7^2)%p!=2%p, y++); if(y==p, print1(p, ", "))))
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CROSSREFS
| Cf. A042966, A042967, A070179 - A070188.
Sequence in context: A070001 A145540 A031840 * A106767 A157367 A200910
Adjacent sequences: A059664 A059665 A059666 * A059668 A059669 A059670
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KEYWORD
| nonn
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AUTHOR
| Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Feb 04 2001
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