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 A053877 #14 Jan 17 2022 03:52:20 %S A053877 0,0,0,0,624960,944939520,4266926899200,71625854051942400, %T A053877 1986746267331377233920,164332724129181202215075840, %U A053877 47899373560729916144902314393600,52417115824922043292862127287776051200,220441395199404954061534047500928748596756480 %N A053877 Number of elements of order 8 in GL(n,2). %D A053877 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %F A053877 a(n) = A053773(n) - A053718(n). %Y A053877 Cf. A053773, A053718. %K A053877 nonn %O A053877 1,5 %A A053877 _Vladeta Jovovic_, Mar 30 2000 %E A053877 More terms from _Sean A. Irvine_, Jan 16 2022