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 A224936 #21 May 01 2025 08:32:00
%S A224936 3,7,113,103993,833719,265381,4272943,411557987,842468587426513207,
%T A224936 7809723338470423412693394150101387872685594299
%N A224936 Primes in either the numerator or denominator of continued fraction convergents to Pi.
%H A224936 Richard Guo, <a href="/A224936/b224936.txt">Table of n, a(n) for n = 1..18</a>
%t A224936 Select[Flatten[{Numerator[#],Denominator[#]}&/@Convergents[Pi,10000]],PrimeQ]
%Y A224936 CF. A002485, A002486.
%Y A224936 Cf. A086785, A086788.
%K A224936 nonn
%O A224936 1,1
%A A224936 _Harvey P. Dale_, Apr 20 2013