A045442 - OEIS

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A045442

Primes congruent to {1, 5, 7} mod 8.

5, 7, 13, 17, 23, 29, 31, 37, 41, 47, 53, 61, 71, 73, 79, 89, 97, 101, 103, 109, 113, 127, 137, 149, 151, 157, 167, 173, 181, 191, 193, 197, 199, 223, 229, 233, 239, 241, 257, 263, 269, 271, 277, 281, 293, 311, 313

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000 (first 1000 terms from Vincenzo Librandi)

MATHEMATICA

Select[Prime[Range[100]], MemberQ[{1, 5, 7}, Mod[#, 8]]&] (* Harvey P. Dale, Mar 25 2012 *)

PROG

(Magma)[ p: p in PrimesUpTo(500) | p mod 8 in {1, 5, 7} ]; // Vincenzo Librandi, Aug 13 2012

CROSSREFS

Cf. A000040.

Sequence in context: A216745 A087155 A216753 * A216777 A216747 A216739

Adjacent sequences: A045439 A045440 A045441 * A045443 A045444 A045445

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved