%I A063863
%S A063863 1,0,0,0,0,12,0,0,0,0,0,0,8,12,0,0,6,0,0,0,0,24,0,0,0,0,0,0,0,36,
%T A063863 0,0,12,0,0,0,0,12,0,0,0,0,0,0,24,36,0,0,8,0,0,0,0,36,0,0,0,0,0,
%U A063863 0,0,36,0,0,6,0,0,0,0,48,0,0,0,0,0,0,24,48,0,0,24,0,0,0,0,24,0
%N A063863 Theta series of A15 packing with respect to origin.
%C A063863 The A15 packing is the union of 8 translates of the lattice 4Z^3 by the 
               vectors (0,0,0), (2,2,2) and all cyclic shifts of (0, +-1, 2).
%H A063863 Center for Computational Materials Science, Naval Research Laboratory 
               (mehl(AT)dave.nrl.navy.mil), <a href="http://cst-www.nrl.navy.mil/
               lattice/struk/a15.html">The A15 Structure</a>
%e A063863 1 + 12*q^5 + 8*q^12 + 12*q^13 + 6*q^16 + 24*q^21 + 36*q^29 + 12*q^32 
               + ...
%Y A063863 Cf. A063864.
%Y A063863 Sequence in context: A066953 A004022 A083344 this_sequence A101364 A104203 
               A004012
%Y A063863 Adjacent sequences: A063860 A063861 A063862 this_sequence A063864 A063865 
               A063866
%K A063863 nonn
%O A063863 0,6
%A A063863 N. J. A. Sloane (njas(AT)research.att.com), Aug 27 2001