%I #14 Jun 14 2024 22:31:08
%S 23499295948800,2579025599882610278400,1154606796534757164318720000,
%T 27230655539587500000000000000000,
%U 104772288945650279285144527564308480000,42863636354909175368011800612065142374400
%N Order of universal Chevalley group D_5(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) = D(A000961(n+1),5) 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_