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 A067009 #18 Jul 04 2024 15:35:38
%S A067009 1,3,1,3,40,1,4,1,1,1,3,1,3,2,4,2,40,2,2,2,4,3,1,1,1,1,1,1,7,5,1,2,1,
%T A067009 2,3,3,1,12,1,4,2,1,1,1,2,2,1,1,5,1,2,1,2,4,1,2,1,6,2,4,1,26,4,5,6,1,
%U A067009 17,7,1,1,7,4,1,17,7,1,3,1,1,62,1,2,3,2,36,3,1,1,1,5,1,12,12,1,4,4,1,2,22,1
%N A067009 Continued fraction expansion of Product_{p prime} (1 + 1/(p+1)^2).
%H A067009 G. Niklasch, <a href="/A001692/a001692.html">Some number theoretical constants: 1000-digit values</a>. [Cached copy]
%e A067009 1.26655850147152857161454711262964...
%o A067009 (PARI) contfrac(prodeulerrat(1 + 1/(p+1)^2)) \\ _Amiram Eldar_, Mar 15 2021
%Y A067009 Cf. A065486 (decimal expansion).
%K A067009 cofr,nonn
%O A067009 0,2
%A A067009 _N. J. A. Sloane_, Nov 30 2002
%E A067009 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 01 2003
%E A067009 Offset changed by _Andrew Howroyd_, Jul 04 2024