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%I #9 Apr 02 2015 17:29:24
%S 1,1,2,3,6,9,18,31,65,121
%N Expansion of Molien series for representation Sym^2(R^n) of the automorphism group of the lattice E_8.
%H P. Sarnak and A. Strömbergsson, <a href="http://dx.doi.org/10.1007/s00222-005-0488-2">Minima of Epstein's zeta function and heights of flat tori</a>, Inventiones mathematicae, July 2006, Volume 165, Issue 1, pp 115-151.
%Y Cf. A008582.
%K nonn,more
%O 0,3
%A _N. J. A. Sloane_, Jan 25 2006