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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

(list; graph; refs; listen; history; text; internal format)

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 *)

Select[Range[13, 5250, 60], PrimeQ] (* Harvey P. Dale, Jan 06 2026 *)

PROG

(Magma) [p: p in PrimesUpTo(6000) | p mod 60 eq 13 ]; // Vincenzo Librandi, Sep 04 2012