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%I #20 Jun 14 2024 22:31:08
%S 1691555775522928280469504000,
%T 11470635634813395742481912276441576767488000,
%U 5722569627753465177061732369386833143098255605760000000,967724409898859060146424426078796386718750000000000000000000000,39242041156758982253792290541798244252619818128923898602839750047956992000000
%N Order of simple Chevalley group D_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) = d(A000961(n+1),7) where d(q,n) is defined in A003837. - _Sean A. Irvine_, Sep 17 2015
%Y Cf. A003846. - _R. J. Mathar_, Oct 28 2008
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_
%E More terms from _Sean A. Irvine_, Sep 17 2015