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 A053876 #6 May 10 2013 12:44:26 %S A053876 0,0,0,5040,1249920,1315915776,2224389629952,13813319064330240, %T A053876 219415609610739548160,16360077906225109102362624, %U A053876 3333279237117892795069534568448,2704161159785811615896281588873297920 %N A053876 Number of elements of order 6 in GL(n,2). %C A053876 a(n)= A053771(n)-A053725(n)-A053722(n)+1 %D A053876 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %K A053876 nonn %O A053876 1,4 %A A053876 _Vladeta Jovovic_, Mar 30 2000