A067009 - OEIS

A067009

Continued fraction expansion of Product_{p prime} (1 + 1/(p+1)^2).

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, 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, 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

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..99.

G. Niklasch, Some number theoretical constants: 1000-digit values. [Cached copy]

EXAMPLE

1.26655850147152857161454711262964...

PROG

(PARI) contfrac(prodeulerrat(1 + 1/(p+1)^2)) \\ Amiram Eldar, Mar 15 2021

CROSSREFS

Cf. A065486 (decimal expansion).