A142787 Primes congruent to 13 mod 60.

13, 73, 193, 313, 373, 433, 613, 673, 733, 853, 1033, 1093, 1153, 1213, 1453, 1693, 1753, 1873, 1933, 1993, 2053, 2113, 2293, 2473, 2593, 2713, 2833, 2953, 3253, 3313, 3373, 3433, 3613, 3673, 3733, 3793, 3853, 4093, 4153, 4273, 4513, 4813, 4933, 4993, 5113

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[800]], MemberQ[{13}, Mod[#, 60]] &] (* Vincenzo Librandi, Sep 04 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(6000) | p mod 60 eq 13 ]; // Vincenzo Librandi, Sep 04 2012
(PARI) is(n)=isprime(n) && n%60==13 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A255416 A201788 A139873 * A084218 A175361 A125258

Adjacent sequences: A142784 A142785 A142786 * A142788 A142789 A142790

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved