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A142358
Primes congruent to 7 mod 47.
1
7, 101, 383, 571, 853, 947, 1229, 1511, 1699, 2357, 3109, 3203, 3391, 3673, 3767, 4049, 4519, 4801, 5647, 5741, 6211, 6869, 7057, 7151, 7433, 7621, 8467, 9689, 10159, 10253, 10723, 11287, 12227, 12697, 12791, 12979, 14107, 14389, 15329, 16363, 16927, 17021
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 46n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{7}, Mod[#, 47]]&] (* Vincenzo Librandi, Aug 26 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(18000) | p mod 47 eq 7]; // Vincenzo Librandi, Aug 26 2012
(PARI) is(n)=isprime(n) && n%47==7 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A322909 A165878 A175345 * A210684 A376526 A367137
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved