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%I #10 Aug 12 2020 11:57:39
%S 1,8,32,256,4096,32768,65536,524288,16777216,134217728,536870912,
%T 4294967296,68719476736,549755813888,274877906944,4398046511104,
%U 281474976710656,2251799813685248,9007199254740992,72057594037927936
%N Denominators of coefficients in series expansion of -512*(1+x)^3/(x-8)^3.
%C Related to Belyi function for tetrahedron.
%H N. Magot and A. Zvonkin, <a href="https://doi.org/10.1016/S0012-365X(99)00266-6">Belyi functions for Archimedian solids</a>, Discrete Math., 217 (2000), 249-271.
%t Denominator[CoefficientList[Series[(-512 (1+x)^3)/(x-8)^3,{x,0,30}],x]] (* _Harvey P. Dale_, Nov 26 2014 *)
%Y Cf. A066414.
%K nonn,frac
%O 0,2
%A _N. J. A. Sloane_, Dec 26 2001
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