Search: id:A045331
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%I A045331
%S A045331 2,3,7,13,19,31,37,43,61,67,73,79,97,103,109,127,139,151,157,163,181,
%T A045331 193,199,211,223,229,241,271,277,283,307,313,331,337,349,367,373,379,
%U A045331 397,409,421,433,439,457,463,487,499,523,541,547,571,577,601,607,613
%N A045331 Primes congruent to {1, 2, 3} mod 6; or, -3 is a square mod p.
%C A045331 -3 is a quadratic residue mod a prime p iff p is in this sequence.
%Y A045331 Cf. A002476, A002313, A033203, A038873, A038874, A057128.
%Y A045331 Apart from initial term, same as A007645.
%Y A045331 Sequence in context: A076974 A051484 A101415 this_sequence A053613 A013645 
               A130272
%Y A045331 Adjacent sequences: A045328 A045329 A045330 this_sequence A045332 A045333 
               A045334
%K A045331 nonn,nice,easy
%O A045331 1,1
%A A045331 N. J. A. Sloane (njas(AT)research.att.com).
%E A045331 More terms from Henry Bottomley (se16(AT)btinternet.com), Aug 10 2000

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