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%I #17 Jun 14 2024 22:31:09
%S 27930968965434591767112450048000,
%T 109777561863482259035023554842176139436811616256000,
%U 1536234346098532793158147848149455029037710018156586598400000000,23626386639924457166562360847447514533996582031250000000000000000000000000
%N Order of universal Chevalley group B_7(q), q = prime power.
%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) = B(A000961(n + 1), 7) where B(q,n) is defined in A003920. - _Sean A. Irvine_, Sep 22 2015
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_
%E a(3)-a(4) from _Sean A. Irvine_, Sep 22 2015
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