A142045 Primes congruent to 25 mod 32.

89, 281, 313, 409, 569, 601, 761, 857, 953, 1049, 1433, 1657, 1721, 1753, 1913, 2137, 2297, 2393, 2521, 2617, 2713, 2777, 2969, 3001, 3257, 3449, 3673, 3769, 3833, 3929, 4057, 4153, 4217, 4409, 4441, 4729, 4793, 4889, 5081, 5113, 5209, 5273, 5657, 5689

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 02 2016

Mathematica

Select[Range[25, 20000, 32], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 24 2011 *)
Select[Prime[Range[2000]], MemberQ[{25}, Mod[#, 32]]&] (* Vincenzo Librandi, Aug 18 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(6000) | p mod 32 eq 25 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%32==25 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040.

Sequence in context: A320909 A227519 A142393 * A142936 A142685 A140772

Adjacent sequences: A142042 A142043 A142044 * A142046 A142047 A142048

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved