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 A054587 #4 May 19 2013 12:18:46 %S A054587 5,37,73,683,631,1459,2633,4621,4733,11093,11527,16193,38993,34183, %T A054587 25189,99929,100069,78941,147881,140071,168151,358109,382117,361111, %U A054587 566567,783421,448249,1050083,1031923,631061,2060687,1843357,1314701 %N A054587 n-th occurrence of gap of n between primes occurs at prime a(n), n even, n >= 2. %K A054587 nonn %O A054587 2,1 %A A054587 _Jeff Burch_, Apr 14 2000 %E A054587 More terms from _Naohiro Nomoto_, Jul 23 2001