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 A062531 #10 Oct 28 2021 12:37:08
%S A062531 2,4,24,282,738,8688,273413,92276646,73268943890,622074604151528
%N A062531 Index of smallest prime p such that there is a gap of 2^n between p and next prime.
%H A062531 Thomas R. Nicely, <a href="https://faculty.lynchburg.edu/~nicely/gaps/gaplist.html">First occurrence prime gaps</a> [For local copy see A000101]
%F A062531 a(n) =A000720[A000230[2^(n-1)]] = Pi[Min{p|p-prevprime(p)=2^n}]
%Y A062531 Cf. A000230, A000720, A062529.
%K A062531 hard,nonn
%O A062531 1,1
%A A062531 _Labos Elemer_, Jun 25 2001
%E A062531 a(9)-a(10) from _Daniel Suteu_, Nov 18 2018 [based on data from A062529]