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A142376
Primes congruent to 25 mod 47.
1
307, 401, 683, 1153, 1811, 1999, 2281, 2657, 2939, 3221, 3691, 4349, 5101, 5477, 6229, 6323, 6793, 7451, 7639, 8297, 8861, 9049, 9613, 10177, 10271, 10459, 11117, 11399, 11587, 11681, 12433, 12527, 12809, 14407, 14783, 15629, 15817, 16193, 16381, 17321
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 46n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{25}, Mod[#, 47]]&] (* Vincenzo Librandi, Aug 27 2012 *)
Select[Range[25, 18000, 47], PrimeQ] (* Harvey P. Dale, Jun 13 2017 *)
PROG
(Magma) [p: p in PrimesUpTo(18000) | p mod 47 eq 25]; // Vincenzo Librandi, Aug 27 2012
(PARI) is(n)=isprime(n) && n%47==25 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A220475 A282594 A050201 * A261289 A142255 A309101
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved