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 A136367 #22 Aug 29 2019 19:11:34
%S A136367 2,3,4,5,11,59,397,613,906,1560,2162,2915,5211
%N A136367 Numbers k such that A024529(k+1) is prime.
%C A136367 A024529(n+1) = numerator of 1 + Sum_{j=1..n} (-1)^j/prime(j): 1, 5, 19, 163, 1583, 22889, 359083, 7333087, 158961311, 4832970889, 143352404329, ...
%t A136367 f=1; Do[ p=Prime[n]; f=f + (-1)^n*1/p; g=Numerator[f] ;If[ PrimeQ[g], Print[ {n, g} ] ], {n, 1, 60} ]
%Y A136367 Cf. A024529: numerator of 1 + Sum_{k=1..n-1} (-1)^k/prime(k).
%Y A136367 Cf. A024530, A136365, A136366, A136368, A136369, A136370, A136371.
%K A136367 nonn,more
%O A136367 1,1
%A A136367 _Alexander Adamchuk_, Dec 27 2007
%E A136367 a(7)-a(9) from _Alexander Adamchuk_, Sep 15 2010
%E A136367 a(10) from _Vincenzo Librandi_, Aug 26 2019
%E A136367 a(11)-a(13) from _Robert Price_, Aug 29 2019