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A070182
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Primes p such that x^5 = 2 has a solution mod p, but x^(5^2) = 2 has no solution mod p.
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2
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151, 251, 3251, 3301, 4751, 8501, 11251, 11701, 13751, 14251, 14951, 15551, 16451, 17401, 18401, 21401, 21601, 24251, 28351, 28901, 32251, 32401, 32801, 34301, 36151, 36451, 37201, 40351, 42451, 42701, 44201, 45751, 46051, 46451, 46901
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (PARI) forprime(p=2, 47000, x=0; while(x<p&&x^5%p!=2%p, x++); if(x<p, y=0; while(y<p&&y^(5^2)%p!=2%p, y++); if(y==p, print1(p, ", "))))
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CROSSREFS
| Cf. A040159, A049557, A059313, A059667, A070179 - A070181, A070183 - A070188.
Sequence in context: A142225 A059858 A152310 * A100200 A142575 A142657
Adjacent sequences: A070179 A070180 A070181 * A070183 A070184 A070185
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KEYWORD
| nonn
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AUTHOR
| Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Apr 29 2002
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