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A014755 3 and -3 are both 4th powers (one implies other) mod these primes p=1 mod 8. 1
193, 313, 433, 577, 601, 673, 769, 937, 1201, 1297, 1321, 1657, 1801, 1993, 2137, 2473, 2521, 2593, 2833, 2953, 3169, 3529, 3673, 3697, 3769, 3889, 4057, 4129, 4153, 4297, 4441, 4513, 4561, 4801, 4969, 5113, 5209, 5233, 5281, 5449, 5521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

PROG

(PARI) forprime(p=1, 9999, p%8==1&&ispower(Mod(3, p), 4)&&print1(p", ")) \\M. F. Hasler, Feb 18 2014

(PARI) is_A014755(p)={p%8==1&&ispower(Mod(3, p), 4)&&isprime(p)} \\ M. F. Hasler, Feb 18 2014

CROSSREFS

Sequence in context: A015988 A260539 A142743 * A238667 A216451 A139506

Adjacent sequences:  A014752 A014753 A014754 * A014756 A014757 A014758

KEYWORD

nonn

AUTHOR

Warren D. Smith

EXTENSIONS

Offset changed from 0 to 1 by Bruno Berselli, Feb 20 2014

STATUS

approved

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Last modified February 17 02:33 EST 2019. Contains 320200 sequences. (Running on oeis4.)