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 A053060 #5 May 10 2013 12:44:17 %S A053060 0,0,48,4032,1935360,4022599680,32585690382336,1063349908766982144, %T A053060 139112376066747546992640,72863495247749516035746693120, %U A053060 152731190537447000980973281829978112 %N A053060 Number of n X n invertible binary matrices A such that A^3+I is invertible. %D A053060 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %Y A053060 Cf. A002820, A053071. %K A053060 nonn %O A053060 1,3 %A A053060 _Vladeta Jovovic_, Mar 18 2000