%I #14 Jun 14 2024 22:31:09
%S 208114637736580743168000,7197966128645938515382156481789952000,
%T 85278137430613949474674174708223909560320000000,
%U 1585539968089882234636505126953125000000000000000000000
%N Order of simple Chevalley group B_6(q), q = prime power.
%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.
%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.
%F a(n) = b(A000961(n + 1), 6) where b(q,n) is defined in A003927. - _Sean A. Irvine_, Sep 22 2015
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_