This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A003935 #18 Jun 24 2025 05:47:20
%S A003935 208114637736580743168000,14395932257291877030764312963579904000,
%T A003935 85278137430613949474674174708223909560320000000,
%U A003935 3171079936179764469273010253906250000000000000000000000
%N A003935 Order of universal Chevalley group B_6(q), q = prime power.
%D A003935 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 A003935 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.
%H A003935 <a href="/index/Gre#groups">Index entries for sequences related to groups</a>.
%F A003935 a(n) = B(A000961(n + 1), 6) where B(q,n) is defined in A003920. - _Sean A. Irvine_, Sep 22 2015
%t A003935 B[q_, n_] := q^(n^2) * Product[q^(2*k) - 1, {k, 1, n}]; Table[B[q, 6], {q, Select[Range[10], PrimePowerQ]}] (* _Amiram Eldar_, Jun 24 2025 *)
%Y A003935 Cf. A000961, A003920, A003931, A003932, A003933, A003934, A003936, A003937.
%K A003935 nonn,easy
%O A003935 1,1
%A A003935 _N. J. A. Sloane_