A045319 Primes congruent to {1, 2, 3, 4} (mod 5).

2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[200]], MemberQ[{1, 2, 3, 4}, Mod[#, 5]]&] (* Vincenzo Librandi, Aug 08 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(400) | p mod 5 in [1, 2, 3, 4]]; // Vincenzo Librandi, Aug 08 2012
(PARI) a(n)=if(n>2, prime(n), n+1) \\ Charles R Greathouse IV, Jun 29 2015

Crossrefs

Cf. A000040, A045337.

Sequence in context: A067991 A114600 A088905 * A178943 A038613 A075235

Adjacent sequences: A045316 A045317 A045318 * A045320 A045321 A045322

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved