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 A093973 #11 Aug 14 2018 21:00:42 %S A093973 0,0,0,0,19,330,4498,51756,548746,5517814,54024702,520188423, %T A093973 4957098874,46933220241,442604975423,4164551600019,39140839016528, %U A093973 367734226199966 %N A093973 Number of prime pairs below 10^n having a difference of 38. %H A093973 Siegfried "Zig" Herzog, <a href="http://zigherzog.net/primes/index.html#compare">Frequency of Occurrence of Prime Gaps</a> %H A093973 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 A093973 a(5) = 19 because there are 19 prime gaps of 38 below 10^5. %Y A093973 Cf. A007508, A093972, A093974. %K A093973 nonn,more %O A093973 1,5 %A A093973 _Enoch Haga_, Apr 24 2004 %E A093973 a(10)-a(13) from _Washington Bomfim_, Jun 22 2012 %E A093973 a(14)-a(18) from S. Herzog's website added by _Giovanni Resta_, Aug 14 2018