Search: id:A102269
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%I A102269
%S A102269 43,67,79,127,151,163,211,331,379,463,487,499,547,571,631,739,751,
%T A102269 823,883,907,919,967,991,1051,1087,1171
%N A102269 Primes p such that Q(sqrt(-21p)) has genus characters chi_{-3} = +1, 
               chi_{-7} = +1.
%D A102269 Cohn, H. and Lagarias, J. C., On the existence of fields governing the 
               2-invariants of the classgroup of Q(sqrt{dp}) as p varies, Math. 
               Comp. 41 (1983), 711-730.
%Y A102269 Cf. A102270-A102275.
%Y A102269 Sequence in context: A063641 A129928 A158080 this_sequence A020349 A050959 
               A139917
%Y A102269 Adjacent sequences: A102266 A102267 A102268 this_sequence A102270 A102271 
               A102272
%K A102269 nonn
%O A102269 1,1
%A A102269 N. J. A. Sloane (njas(AT)research.att.com), Feb 19 2005

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