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A040038 Primes p such that x^3 = 3 has no solution mod p. +0
2
7, 13, 19, 31, 37, 43, 79, 97, 109, 127, 139, 157, 163, 181, 199, 211, 223, 229, 241, 277, 283, 313, 331, 337, 349, 373, 379, 397, 409, 421, 433, 457, 463, 487, 541, 571, 601, 607, 631, 673, 691, 709, 733, 739 (list; graph; listen)
OFFSET

1,1
COMMENT

Primes of the form 7x^2+3xy+9y^2, whose discriminant is -243. - T. D. Noe (noe(AT)sspectra.com), May 17 2005

CROSSREFS

Adjacent sequences: A040035 A040036 A040037 this_sequence A040039 A040040 A040041

Sequence in context: A040079 A038160 A106870 this_sequence A081765 A091180 A053458

KEYWORD

nonn

AUTHOR

njas

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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