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 A249033 #9 Nov 16 2014 11:05:27 %S A249033 2,2,5,1,11,2,7,9,4,1,5,1,16,18,9,2,10,3,32,6,30,18,1,5,1,21,7,13,52, %T A249033 25,48,8,29,2,3,7,3,43,15,29,103,1,1,51,43,53,1,17,59,1,5,7,15,7,86, %U A249033 31,59,206,3,3,102,21,65,107,2,34,118,2,10,15,30,15 %N A249033 Lengths of successive runs of primes in A247665. %H A249033 N. J. A. Sloane, <a href="/A249033/b249033.txt">Table of n, a(n) for n = 1..12137</a> %Y A249033 Cf. A247665. %K A249033 nonn %O A249033 1,1 %A A249033 _N. J. A. Sloane_, Oct 26 2014 %E A249033 Typo in definition corrected by _Arkadiusz Wesolowski_, Nov 16 2014