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 A003934 #18 Jun 24 2025 05:48:27
%S A003934 24815256521932800,152915585868239728626892800,
%T A003934 1211875293642881119668928512000000,
%U A003934 266009466302345390625000000000000000000,29597339316082819652234687848790174733434880000,46025883638628966977843321053405598530493271244800
%N A003934 Order of universal Chevalley group B_5(q), q = prime power.
%D A003934 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 A003934 H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.
%H A003934 <a href="/index/Gre#groups">Index entries for sequences related to groups</a>.
%F A003934 a(n) = B(A000961(n + 1), 5) where B(q,n) is defined in A003920. - _Sean A. Irvine_, Sep 22 2015
%t A003934 B[q_, n_] := q^(n^2) * Product[q^(2*k) - 1, {k, 1, n}]; Table[B[q, 5], {q, Select[Range[10], PrimePowerQ]}] (* _Amiram Eldar_, Jun 24 2025 *)
%Y A003934 Cf. A000961, A003920, A003931, A003932, A003933, A003935, A003936, A003937.
%K A003934 nonn,easy
%O A003934 1,1
%A A003934 _N. J. A. Sloane_
%E A003934 a(5)-a(6) from _Sean A. Irvine_, Sep 22 2015