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 A053774 #14 May 14 2019 08:32:25 %S A053774 1,3,57,1233,75393,339089409,2607120373761,42451338836860929, %T A053774 3767776947041641791489,355742034243147691726340097, %U A053774 91926159597577085028716636536833,97320453584330647458564330111836880897,145554614131872292109665186286397182040866817 %N A053774 Number of n X n binary matrices of order dividing 9 (i.e., number of solutions of X^9=I in GL(n,2)). %D A053774 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %H A053774 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 A053774 (PARI) \\ See A053725 for F(n,q,k). %o A053774 F(15, 2, 9) \\ _Andrew Howroyd_, Jul 09 2018 %Y A053774 Cf. A053722, A053725, A053718. %K A053774 nonn %O A053774 1,2 %A A053774 _Vladeta Jovovic_, Mar 24 2000 %E A053774 a(12)-(13) from _Andrew Howroyd_, Jul 09 2018