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

0,2

Links

Table of n, a(n) for n=0..97.

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

Mathematica

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

Prog

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

Crossrefs

Cf. A007674, A065474.

Increasing partial quotients are in A074178.

Sequence in context: A372608 A298976 A265487 * A074178 A178996 A127852

Adjacent sequences: A074890 A074891 A074892 * A074894 A074895 A074896

Keyword

cofr,nonn

Author

Robert G. Wilson v, Sep 13 2002

Extensions

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

Offset changed by Andrew Howroyd, Jul 08 2024

Status

approved