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 A270878 #71 Jul 05 2020 13:30:28 %S A270878 1,2,6,12,20,26,30,32,62,100,208 %N A270878 Record differences between record prime gaps, that is, terms of A053695 that set a record. %Y A270878 Cf. A000040, A001223, A005250, A053695. %K A270878 nonn,hard,more %O A270878 1,2 %A A270878 _Marc Morgenegg_, Apr 05 2016 %E A270878 Edited by _N. J. A. Sloane_, May 23 2016 at the suggestion of _R. J. Mathar_ and _Giovanni Resta_.