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A070182 Primes p such that x^5 = 2 has a solution mod p, but x^(5^2) = 2 has no solution mod p. +0
3
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; listen)
OFFSET

1,1

PROGRAM

(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, ", "))))

CROSSREFS

Cf. A040159, A049557, A059313, A059667, A070179 - A070181, A070183 - A070188.

Sequence in context: A142225 A059858 A152310 this_sequence A100200 A142575 A142657

Adjacent sequences: A070179 A070180 A070181 this_sequence A070183 A070184 A070185

KEYWORD

nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Apr 29 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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