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A142040
Primes congruent to 13 mod 32.
1
13, 109, 173, 269, 397, 461, 557, 653, 877, 941, 1069, 1229, 1453, 1549, 1613, 1709, 1741, 1901, 1933, 1997, 2029, 2221, 2381, 2477, 2797, 2861, 2957, 3181, 3373, 3469, 3533, 3821, 3853, 3917, 4013, 4397, 4493, 4621, 4813, 4877, 4909, 4973, 5101, 5197, 5261
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Range[13, 20000, 32], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, May 02 2011 *)
Select[Prime[Range[2000]], MemberQ[{13}, Mod[#, 32]]&] (* Vincenzo Librandi, Aug 18 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(6000) | p mod 32 eq 13 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%32==13 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A084901 A006239 A271560 * A002648 A055840 A243417
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved