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A141975
Primes congruent to 25 mod 28.
1
53, 109, 137, 193, 277, 389, 557, 613, 641, 809, 977, 1033, 1061, 1117, 1201, 1229, 1453, 1481, 1621, 1733, 1789, 1873, 1901, 2069, 2153, 2237, 2293, 2377, 2657, 2713, 2741, 2797, 2909, 3049, 3217, 3301, 3329, 3413, 3469, 3581, 3637, 3833, 3889, 3917, 4001
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 12n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[1500]], MemberQ[{25}, Mod[#, 28]]&] (* Vincenzo Librandi, Aug 17 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(5000) | p mod 28 eq 25 ]; // Vincenzo Librandi, Aug 17 2012
(PARI) is(n)=isprime(n) && n%28==25 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A338836 A061656 A141965 * A142663 A229960 A107155
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved