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 A053857 #14 May 14 2019 08:33:02 %S A053857 3,63,8739,5790339,25502129667,757411145447427,118807204270671126531, %T A053857 126820439575807166309695491,924621244138490026408263487979523, %U A053857 36417188783803065273959858411560634941443,9819078516370596103771260673534011545166677016579 %N A053857 Number of n X n matrices over GF(4) of order dividing 3 (i.e., number of solutions of X^3=I in GL(n,4)). %D A053857 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %H A053857 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 A053857 (PARI) \\ See A053725 for F(n,q,k). %o A053857 F(12, 4, 3) \\ _Andrew Howroyd_, Jul 09 2018 %Y A053857 Cf. A053725, A053856. %K A053857 nonn %O A053857 1,1 %A A053857 _Vladeta Jovovic_, Mar 28 2000 %E A053857 a(8)-a(11) from _Andrew Howroyd_, Jul 09 2018