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A142679
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Primes congruent to 23 mod 57.
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2
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23, 137, 251, 479, 593, 821, 1049, 1163, 1277, 1619, 1733, 1847, 2417, 2531, 3329, 3557, 3671, 4013, 4127, 4241, 4583, 5039, 5153, 5381, 6521, 6863, 6977, 7433, 7547, 8117, 8231, 8573, 9029, 9257, 9371, 9941, 10169, 10739, 10853, 11423, 12107, 12791, 13931
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OFFSET
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1,1
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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FORMULA
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a(n) ~ 36n log n. - Charles R Greathouse IV, Jul 03 2016
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MATHEMATICA
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Select[Prime[Range[2400]], MemberQ[{23}, Mod[#, 57]] &] (* Vincenzo Librandi, Sep 02 2012 *)
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PROG
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(MAGMA) [p: p in PrimesUpTo(14000) | p mod 57 eq 23 ]; // Vincenzo Librandi, Sep 02 2012
(PARI) is(n)=isprime(n) && n%57==23 \\ Charles R Greathouse IV, Jul 03 2016
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CROSSREFS
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Cf. A000040.
Sequence in context: A191745 A260842 A093806 * A254758 A057883 A160221
Adjacent sequences: A142676 A142677 A142678 * A142680 A142681 A142682
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, Jul 11 2008
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STATUS
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approved
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