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A210632 G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E_8. 0

%I #17 Aug 18 2015 04:43:43

%S 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,4,6,

%T 14,21,41,60,104,150,239,337,509,701,1014,1371,1916,2544,3461,4520,

%U 6011,7738,10092,12821,16449,20646,26108,32418,40474,49760,61430,74840,91461,110507,133818,160452,192699,229422

%N G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E_8.

%H Andreas Blass, Bruce E. Sagan, <a href="http://arxiv.org/abs/math/9801008">Characteristic and Ehrhart polynomials</a>, arXiv:math/9801008 [math.CO], 1998.

%H Andreas Blass, Bruce E. Sagan, <a href="http://dx.doi.org/10.1023/A:1008646303921">Characteristic and Ehrhart polynomials</a>, J. Algebraic Combin. 7 (1998), no. 2, 115--126. MR1609889 (99c:05204)

%F G.f.: x^30*f(1)*f(2)^3*f(3)^2*f(4)^2*f(5)*f(6) where f(k)=1/(1-x^k).

%F G.f.: x^30 / ((x-1)^10 * (x+1)^6 * (x^2-x+1) * (x^2+1)^2 * (x^2+x+1)^3 * (x^4+x^3+x^2+x+1)). - _Colin Barker_, Jul 22 2013

%K nonn,easy

%O 0,33

%A _N. J. A. Sloane_, Mar 25 2012

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