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 A074178 #23 Aug 04 2024 13:37:03
%S A074178 0,3,10,19,21,443,667,1836,3264,7270,58858,97672
%N A074178 Records of the coefficients of the continued fraction for the Product_{p prime} (1 - 2/p^2).
%o A074178 (PARI) s = contfrac(prodeulerrat(1- 2/p^2)); sm = -1; for(k=1, #s, if(s[k]>sm, sm = s[k]; print1(sm,", ")))
%Y A074178 Cf. A065474, A074893.
%K A074178 nonn,more
%O A074178 1,2
%A A074178 _Robert G. Wilson v_, Sep 13 2002
%E A074178 Name clarified by _Michel Marcus_, Oct 14 2018
%E A074178 a(1) and a(9)-a(12) from _Amiram Eldar_, Jun 13 2021