Search: id:A002142
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%I A002142 M4032 N1673
%S A002142 5,229,401,577,1129,1297,7057,8761,14401,32401,41617,57601,90001
%N A002142 Primes p == 1 (mod 4) where class number of Q( sqrt p ) increases.
%D A002142 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002142 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002142 D. Shanks, Review of "K. E. Kloss et al., Class number of primes of the 
               form 4n+1", Math. Comp., 23 (1969), 213-214.
%Y A002142 Sequence in context: A066462 A046193 A112999 this_sequence A103732 A065757 
               A157776
%Y A002142 Adjacent sequences: A002139 A002140 A002141 this_sequence A002143 A002144 
               A002145
%K A002142 nonn
%O A002142 1,1
%A A002142 N. J. A. Sloane (njas(AT)research.att.com).

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