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 A046689 #13 Mar 08 2020 00:54:22 %S A046689 2,3,5,7,11,23 %N A046689 Primes p such that p+1 divides 24. %C A046689 Sum of 1/(p+1) is 1. - _Aaron Meyerowitz_, Oct 24 2010 %t A046689 Select[Prime[Range[9]],Divisible[24,#+1]&] (* _Harvey P. Dale_, Nov 03 2013 *) %Y A046689 Cf. A075442. - _Aaron Meyerowitz_, Oct 24 2010 %K A046689 nonn,fini,full %O A046689 1,1 %A A046689 _N. J. A. Sloane_