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A058853
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Primes p such that x^43 = 2 has a solution mod p.
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6
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Primes not of the form 43n + 1. [Charles R Greathouse IV, Aug 22 2011]
Differs from A000040 - the prime 173 does not appear.
For case x^31 = 2 the first missing prime is 311 (64th term).
For case x^47 = 2 the first missing prime is 283 (61th term).
For case x^59 = 2 the first missing prime is 709 (127th term).
For case x^61 = 2 the first missing prime is 367 (73th term).
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LINKS
| R. J. Mathar, Table of n, a(n) for n = 1..1000
Index entries for related sequences
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FORMULA
| a(n) ~ 42/41 * n log n. [Charles R Greathouse IV, Aug 22 2011]
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PROG
| (PARI) forprime(p=2, 1e3, if(p%43!=1, print1(p", "))) \\ Charles R Greathouse IV, Aug 22 2011
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CROSSREFS
| Sequence in context: A077359 A057448 A049551 * A115232 A049569 A100725
Adjacent sequences: A058850 A058851 A058852 * A058854 A058855 A058856
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KEYWORD
| nonn,easy
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 2000.
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