A074893 Continued fraction for the Product_{p prime} (1 - 2/p^2) (A065474).

0, 3, 10, 19, 2, 1, 2, 2, 1, 6, 1, 6, 19, 17, 1, 7, 1, 2, 2, 1, 10, 2, 6, 2, 1, 3, 2, 1, 21, 5, 1, 15, 1, 1, 4, 1, 1, 1, 443, 2, 1, 4, 3, 1, 1, 6, 26, 6, 2, 39, 4, 1, 2, 6, 1, 1, 2, 4, 7, 1, 5, 1, 3, 1, 3, 5, 10, 1, 9, 5, 1, 2, 4, 10, 1, 1, 5, 1, 1, 3, 2, 2, 2, 2, 1, 4, 1, 1, 1, 1, 11, 1, 4, 1, 2, 2, 2, 54

Offset: 0

Author

Robert G. Wilson v, Sep 13 2002

Keywords

• cofr
• nonn

Links

• G. Niklasch, Some number theoretical constants: 1000-digit values

Crossrefs

Cf. A007674, A065474.

Increasing partial quotients are in A074178.

Programs

Mathematica

(* download the constant from the link above and set it equal to a *) ContinuedFraction[a, 100]

PARI

contfrac(prodeulerrat(1- 2/p^2)) \\ Amiram Eldar, Jun 13 2021

Extensions

a(1) inserted by Amiram Eldar, Jun 13 2021

Offset changed by Andrew Howroyd, Jul 08 2024