|
%I #13 Jul 16 2017 11:59:09
%S 1,0,0,1,0,0,0,0,0,0,0,1,0,0,1,1,0,0,1,0,0,0,0,1,0,0,2,0,0,1,0,0,0,0,
%T 1,0,0,1,1,0,0,1,0,0,0,0,0,0,0,1,0,0,1
%N Expansion of the polynomial (1+x^3)*(1+x^11)*(1+x^15)*(1+x^23).
%C This is the Poincaré polynomial for the Lie group F_4.
%D Borel, A. and Chevalley, C., The Betti numbers of the exceptional groups, Mem. Amer. Math. Soc. 1955, no. 14, pp 1-9.
%t CoefficientList[Series[(1+x^3)(1+x^11)(1+x^15)(1+x^23),{x,0,60}],x] (* _Harvey P. Dale_, Jul 16 2017 *)
%K nonn,fini,full,easy
%O 0,27
%A _N. J. A. Sloane_, Dec 24 2010
|
