A003927 - OEIS

%I #15 Oct 24 2023 05:54:17

%S 25920,4585351680,65784756654489600,76457792934119864313446400,

%T 7197966128645938515382156481789952000,

%U 54888780931741129517511777421088069718405808128000

%N Order of simple Chevalley group B_n (3).

%H <a href="/index/Gre#groups">Index entries for sequences related to groups</a>

%F a(n) = b(3,n) where b(q,n) = q^(n^2) * Product_{k=1..n}(q^(2*k)-1) / gcd(2, q-1). - _Sean A. Irvine_, Sep 22 2015

%Y Cf. A003920.

%K nonn

%O 2,1

%A _N. J. A. Sloane_