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A142439
Primes congruent to 30 mod 49.
1
79, 373, 569, 863, 1451, 1549, 2039, 2137, 2333, 3019, 3313, 3607, 3803, 4391, 4783, 5077, 5273, 5861, 6449, 6547, 6841, 7331, 7723, 7919, 8017, 8311, 9781, 10271, 10369, 10663, 10859, 10957, 11251, 11447, 11839, 12329, 12721, 12917, 13309, 13799, 14387
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{30}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)
Select[Range[30, 15000, 49], PrimeQ] (* Harvey P. Dale, May 01 2018 *)
PROG
(Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 30]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%49==30 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A142897 A142330 A007254 * A200847 A132252 A069795
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved