%I M1561 #27 Feb 21 2018 07:04:47
%S 2,6,6,8,12,6,12,18,6,14,18,12,18,18,12,12,30,18,14,24,6,30,30,12,24,
%T 24,18,24,30,12,26,42,24,12,30,18,24,48,18,36,24,18,36,30,24,26,48,18,
%U 30,48,12,36,54,12,24,30,36,48,42,30,24,54,18,26,36,30,54,54,18,24
%N Theta series of b.c.c. lattice with respect to short edge.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H G. C. Greubel, <a href="/A005869/b005869.txt">Table of n, a(n) for n = 0..1000</a>
%H N. J. A. Sloane and B. K. Teo, <a href="http://dx.doi.org/10.1063/1.449551">Theta series and magic numbers for close-packed spherical clusters</a>, J. Chem. Phys. 83 (1985) 6520-6534.
%H <a href="/index/Ba#bcc">Index entries for sequences related to b.c.c. lattice</a>
%t QP = QPochhammer; CoefficientList[2*(QP[q^2]^2/QP[q])^3 + O[q]^70, q] (* _Jean-François Alcover_, Jul 05 2017, after _Michael Somos_ *)
%Y Cf. A008443. Equals A005886/2. Cf. A121055.
%K nonn
%O 0,1
%A _N. J. A. Sloane_