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A142560
Primes congruent to 30 mod 53.
4
83, 401, 613, 719, 1249, 1567, 2203, 2309, 2521, 3581, 3793, 4111, 4217, 5171, 5701, 5807, 6337, 6761, 7079, 7927, 8563, 8669, 9199, 9623, 9941, 10259, 10789, 11213, 11743, 12379, 12697, 13121, 13757, 14923, 15241, 15559, 15877, 16301, 16619, 16831, 16937
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 52n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Prime[Range[2600]], MemberQ[{30}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)
Select[Range[30, 17000, 53], PrimeQ] (* Harvey P. Dale, Sep 22 2015 *)
PROG
(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 30]; // Vincenzo Librandi, Aug 30 2012
(PARI) is(n)=isprime(n) && n%53==30 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
Cf. A000040.
Sequence in context: A340861 A160359 A142496 * A243342 A142820 A142900
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved