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Order of universal Chevalley group D_n (5).
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%I #12 Jun 14 2024 22:31:08

%S 4,14400,29016000000,35646156000000000000,

%T 27230655539587500000000000000000,

%U 12987912192212013697265625000000000000000000000,3870897639595436240585697704315185546875000000000000000000000000

%N Order of universal Chevalley group D_n (5).

%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(5,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_

%E a(7) from _Sean A. Irvine_, Sep 17 2015