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 A105050 #7 Aug 02 2021 12:29:38
%S A105050 2,3,13,53,30529,122117,17584849,70339397,22789964629,11030342880437,
%T A105050 9927308592393301,91490075987496662017,23421459452799145476353,
%U A105050 918214896387537699254943013,528891780319221714770847175489,8665362928750128574805560123211777,311953065435004628693000164435623973
%N A105050 a(0)=2, a(n) is the smallest prime of the form a(n-1)*k^2 + 1.
%e A105050 a(5) = 30529 = 53*24^2 + 1 is the smallest prime of the form 53*k^2 + 1.
%o A105050 (PARI) lista(nn) = my(k, p=2); print1(p); for(n=1, nn, k=1; while(!isprime(p*k^2+1), k++); print1(", ", p=p*k^2+1)); \\ _Jinyuan Wang_, Aug 02 2021
%Y A105050 Cf. A061092, A093490.
%K A105050 nonn
%O A105050 0,1
%A A105050 _John L. Drost_, Apr 04 2005
%E A105050 a(15)-a(16) from _Jinyuan Wang_, Aug 02 2021