OFFSET
1,1
COMMENTS
Primes p such that -1 is a 4th power (mod p). E.g.: 1^4 == -1 (mod 2), 2^4 == -1 (mod 17), 3^4 == -1 (mod 41), 10^4 == -1 (mod 73). - Eric M. Schmidt, Mar 27 2014
LINKS
Ray Chandler, Table of n, a(n) for n = 1..10000 (first 1000 terms from Vincenzo Librandi)
MATHEMATICA
Select[Prime[Range[300]], MemberQ[{1, 2}, Mod[#, 8]]&] (* Vincenzo Librandi, Aug 11 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(1300) | p mod 8 in [1, 2]]; // Vincenzo Librandi, Aug 11 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved