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A051097
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Primes p such that x^56 = -2 has a solution mod p
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0
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2, 3, 11, 19, 59, 67, 83, 107, 131, 139, 163, 179, 227, 251, 257, 283, 307, 331, 347, 419, 443, 467, 499, 523, 563, 571, 587, 619, 643, 683, 691, 739, 787, 811, 859, 881, 907, 947, 971, 1019, 1033, 1049, 1091, 1097, 1123, 1163, 1171, 1187, 1193, 1217, 1249, 1259, 1283, 1291, 1307, 1427, 1451, 1459, 1481, 1483, 1523, 1531, 1553, 1571, 1579
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (PARI) forprime(p=2, 2000, if([]~!=polrootsff(x^56+2, p, y-1), print1(p, ", "))); print();
/* or: */
forprime(p=2, 2000, if([]~!=polrootsmod(x^56+2, p), print1(p, ", "))); print(); /* faster */
/* Joerg Arndt, Jul 27 2011 */
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CROSSREFS
| Sequence in context: A051091 A085902 A051083 * A076201 A129668 A086791
Adjacent sequences: A051094 A051095 A051096 * A051098 A051099 A051100
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms added, Joerg Arndt, Jul 27 2011.
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