%I A006312 M5357
%S A006312 81,4375,69295261,371972347451121286741113,
%T A006312 43302903550016395864300853167188017879
%N A006312 Discriminants of period polynomials.
%D A006312 D. H. and Emma Lehmer, Cyclotomy for nonsquare-free moduli, pp. 276-300 
               of Analytic Number Theory (Philadelphia 1980), Lect. Notes Math. 
               899 (1981).
%D A006312 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A006312 Sequence in context: A017744 A053108 A016888 this_sequence A060349 A036354 
               A016948
%Y A006312 Adjacent sequences: A006309 A006310 A006311 this_sequence A006313 A006314 
               A006315
%K A006312 nonn
%O A006312 3,1
%A A006312 N. J. A. Sloane (njas(AT)research.att.com).