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 A003944 #22 Jul 11 2025 08:52:39 %S A003944 59980383884075203672726385914533642240000, %T A003944 33903338948400079408255624011057141081545622145957207600005120000, %U A003944 7084630453281025440882493116981310890142026281589018852388680249504694272000000000 %N A003944 Order of simple Chevalley group B_8(q), q = prime power. %D A003944 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 A003944 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 A003944 Sean A. Irvine, <a href="/A003944/b003944.txt">Table of n, a(n) for n = 1..10</a> %H A003944 <a href="/index/Gre#groups">Index entries for sequences related to groups</a>. %F A003944 a(n) = b(A000961(n + 1), 8) where b(q,n) is defined in A003927. - _Sean A. Irvine_, Sep 22 2015 %t A003944 b[q_, n_] := q^(n^2) * Product[q^(2*k) - 1, {k, 1, n}] / GCD[2, q-1]; Table[b[q, 8], {q, Select[Range[4], PrimePowerQ]}] (* _Amiram Eldar_, Jul 11 2025 *) %Y A003944 Cf. A000961, A003927, A003938, A003939, A003940, A003941, A003942, A003943. %K A003944 nonn,easy %O A003944 1,1 %A A003944 _N. J. A. Sloane_ %E A003944 a(3) from _Sean A. Irvine_, Sep 22 2015