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 A053849 #14 May 14 2019 04:03:58 %S A053849 1,1,1,303265,2972290465,21908753010145,149203663865159905, %T A053849 46239110653796245209025,2921531591617287960635324005825, %U A053849 141479937596692631672320398001559452225,6324451981634068043025384996830468552444687425 %N A053849 Number of n X n matrices over GF(3) of order dividing 5 (i.e., number of solutions of X^5=I in GL(n,3)). %H A053849 Kent E. Morrison, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL9/Morrison/morrison37.html">Integer Sequences and Matrices Over Finite Fields</a>, Journal of Integer Sequences, Vol. 9 (2006), Article 06.2.1. %o A053849 (PARI) \\ See A053725 for F(n,q,k). %o A053849 F(12, 3, 5) \\ _Andrew Howroyd_, Jul 09 2018 %Y A053849 Cf. A053725, A053770, A053846. %K A053849 nonn %O A053849 1,4 %A A053849 _Vladeta Jovovic_, Mar 28 2000 %E A053849 a(10)-a(11) from _Andrew Howroyd_, Jul 09 2018