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 A104860 #7 Aug 16 2018 20:28:26
%S A104860 5,7,11,13,17,23,29,29,37,41,43,53,59,59,67,71,79,83,89,97,97,103,107,
%T A104860 127,127,131,131,137,139,149,163,167,173,179,191,191,197,211,211,223,
%U A104860 223,227,239,239,251,251,263,277,277,281
%N A104860 Prime next to (n + n-th prime).
%F A104860 a(n) = nextprime(A014688(n)).
%t A104860 Table[NextPrime[n+Prime[n]],{n,60}] (* _Harvey P. Dale_, Aug 16 2018 *)
%o A104860 (PARI) a(n) = nextprime(n + prime(n) + 1); \\ _Michel Marcus_, Oct 09 2013
%Y A104860 Cf. A014688.
%K A104860 nonn
%O A104860 1,1
%A A104860 _Zak Seidov_, Apr 24 2005