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 A093749 #11 Aug 14 2018 21:00:07 %S A093749 0,0,0,5,98,1234,13255,129567,1219243,11287965,103578486,946685407, %T A093749 8643973155,78973715102,722623290887,6625617932534,60889631777778, %U A093749 560938901663498 %N A093749 Number of prime pairs below 10^n having a difference of 28. %H A093749 Siegfried "Zig" Herzog, <a href="http://zigherzog.net/primes/index.html#compare">Frequency of Occurrence of Prime Gaps</a> %H A093749 T. Oliveira e Silva, S. Herzog, and S. Pardi, <a href="http://dx.doi.org/10.1090/S0025-5718-2013-02787-1">Empirical verification of the even Goldbach conjecture and computation of prime gaps up to 4.10^18</a>, Math. Comp., 83 (2014), 2033-2060. %e A093749 a(5) = 98 because there are 98 prime gaps of 28 below 10^5. %Y A093749 Cf. A007508, A093748, A093750. %K A093749 nonn,more %O A093749 1,4 %A A093749 _Enoch Haga_, Apr 15 2004 %E A093749 a(10)-a(13) from _Washington Bomfim_, Jun 22 2012 %E A093749 a(14)-a(18) from S. Herzog's website added by _Giovanni Resta_, Aug 14 2018