A127578 Primes congruent to 31 mod 32.

31, 127, 191, 223, 383, 479, 607, 863, 991, 1087, 1151, 1279, 1439, 1471, 1567, 1663, 1759, 1823, 1951, 2111, 2143, 2207, 2239, 2399, 2591, 2687, 2719, 2879, 3167, 3359, 3391, 3583, 3967, 4127, 4159, 4447, 4639, 4703, 4799, 4831, 5023, 5087, 5119, 5279

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

lst={}; Do[p=Prime[n]; If[Mod[p, 32]==31, AppendTo[lst, p]], {n, 7!}]; lst (* Vladimir Joseph Stephan Orlovsky, Feb 26 2009 *)
Select[Prime[Range[6000]], Mod[#, 32]==31&] (* Vincenzo Librandi, Aug 14 2012 *)
Select[Range[31, 5300, 32], PrimeQ] (* Harvey P. Dale, Oct 03 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(6000) | p mod 32 eq 31 ]; // Vincenzo Librandi, Aug 14 2012
(PARI) is(n)=isprime(n) && n%32==31 \\ Charles R Greathouse IV, Jul 01 2016

Crossrefs

Cf. A000040, A127575, A127576, A127577, A127579, A127580, A127581.

Sequence in context: A183836 A078656 A095322 * A333245 A158563 A079141

Adjacent sequences: A127575 A127576 A127577 * A127579 A127580 A127581

Keyword

nonn,easy

Author

Artur Jasinski, Jan 19 2007

Extensions

Corrected by N. J. A. Sloane, Jul 11 2008

Edited by N. J. A. Sloane at the suggestion of R. J. Mathar, Jul 20 2008

Status

approved