%I A109159
%S A109159 1,0,0,5208,264771,9275448,105399504,6731254440,553692038004,21802507065864,
%T A109159 400684321812096,12872305942604280,1485636235823593980,69288912971916416856,
%U A109159 1651037314634527670096,22551727588731476610888,4467328894885460428544076
%V A109159 1,0,0,5208,264771,9275448,105399504,-6731254440,-553692038004,-21802507065864,
%W A109159 -400684321812096,12872305942604280,1485636235823593980,69288912971916416856,
%X A109159 1651037314634527670096,-22551727588731476610888,-4467328894885460428544076
%N A109159 G.f.: 8th root of weight enumerator of Preparata code of length 64 (cf. 
               A028239).
%H A109159 N. Heninger, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/
               abs/math.NT/0509316">On the Integrality of n-th Roots of Generating 
               Functions</a>, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
%Y A109159 Sequence in context: A093071 A157511 A165599 this_sequence A067224 A093182 
               A124658
%Y A109159 Adjacent sequences: A109156 A109157 A109158 this_sequence A109160 A109161 
               A109162
%K A109159 sign
%O A109159 0,4
%A A109159 N. J. A. Sloane (njas(AT)research.att.com) and Nadia Heninger (nadiah(AT)cs.princeton.edu) 
               Aug 18 2005