A142796 Primes congruent to 47 mod 60.

47, 107, 167, 227, 347, 467, 587, 647, 827, 887, 947, 1187, 1307, 1367, 1427, 1487, 1607, 1667, 1787, 1847, 1907, 2027, 2087, 2207, 2267, 2447, 2687, 2927, 3167, 3347, 3407, 3467, 3527, 3767, 3947, 4007, 4127, 4547, 4787, 4967, 5087, 5147, 5387, 5507, 5807

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[900]], MemberQ[{47}, Mod[#, 60]] &] (* Vincenzo Librandi, Sep 04 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(6000) | p mod 60 eq 47 ]; // Vincenzo Librandi, Sep 04 2012
(PARI) is(n)=isprime(n) && n%60==47 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A216067 A124096 A308784 * A201147 A142020 A044234

Adjacent sequences: A142793 A142794 A142795 * A142797 A142798 A142799

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved