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 A036271 #13 Oct 17 2015 11:13:14 %S A036271 457,-344,68,304,-580,584,-338,58,84,-154,308,-502,512,-232,-178,448, %T A036271 -426,172,88,-130,-52,204,-24,-540,1170,-1482,1478,-1454,1488,-1352, %U A036271 914,-352,-28,28,350,-898,1296,-1366,1228,-1042,734,-262,-114,210,-254,516,-888 %N A036271 10th differences of primes. %H A036271 Harvey P. Dale and T. D. Noe, <a href="/A036271/b036271.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from Harvey P. Dale) %t A036271 Differences[Prime[Range[100]],10] (* _Harvey P. Dale_, Oct 19 2011 *) %K A036271 sign %O A036271 1,1 %A A036271 _N. J. A. Sloane_