%I #11 Jun 14 2024 22:31:08
%S 7,254016,34558531338240,19031213036231093492121600,
%T 42863636354909175368011800612065142374400,
%U 395357821818670720302212111102866352228895870285434270515200
%N Order of universal Chevalley group D_n (8).
%D J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
%D H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.
%F a(n) = D(8,n) where D(q,n) is defined in A003830. - _Sean A. Irvine_, Sep 17 2015
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_
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