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 A142865 #4 Mar 30 2012 17:39:39 %S A142865 14,15,14,14,15,13,13,15,15,12,10,16,14,16,10,5,15,11,13,12,18,12,13, %T A142865 12,10,12,12,15,6,15,14,16,12,15,15,10,23,14,5,10,9,4,15,12,15,18,12, %U A142865 12,10,14,11,15,7,12,11,12,10,14,13,18,5,11,12,12,11,12,14,10,12,4,8,15,15,10 %N A142865 Value of A000001(n) as n runs through the quadruprimes (A014613). %H A142865 John H. Conway, Heiko Dietrich and E. A. O'Brien, <a href="http://www.math.auckland.ac.nz/~obrien/research/gnu.pdf">Counting groups: gnus, moas and other exotica</a>. %K A142865 nonn %O A142865 1,1 %A A142865 _N. J. A. Sloane_, Oct 03 2008 %E A142865 More terms from _R. J. Mathar_, Oct 04 2008