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 A160871 #2 Mar 30 2012 16:51:24 %S A160871 1,63,7987,7987616,24875000437,193466859054994 %N A160871 Column 6 of array in A057004. %D A160871 J. H. Kwak and J. Lee, Enumeration of graph coverings, surface branched coverings and related group theory, in Combinatorial and Computational Mathematics (Pohang, 2000), ed. S. Hong et al., World Scientific, Singapore 2001, pp. 97-161. %K A160871 nonn %O A160871 1,2 %A A160871 _N. J. A. Sloane_, Nov 15 2009