A077387 Continued fraction expansion of Product_{p prime} (1 + p/((p-1)^2*(p+1))).

2, 4, 1, 9, 1, 1, 2, 1, 48, 1, 12, 1, 1, 2, 1, 1, 3, 9, 3, 3, 1, 16, 3, 1, 1, 6, 12, 50, 23, 8, 1, 1, 2, 1, 1, 1, 2, 1, 11, 1, 2, 2, 1, 1, 10, 5, 7, 2, 1, 3, 1, 4, 3, 8, 1, 2, 1, 1, 4, 11, 1, 1, 1, 1, 1, 16, 1, 1, 1, 7, 1, 13, 1, 3, 1, 6, 2, 7, 1, 2, 1, 11, 2, 1, 5, 1, 9, 4, 2, 9, 26, 1, 2, 1, 20, 1, 1, 4

Offset

1,1

Links

Table of n, a(n) for n=1..98.

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

Prog

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

Crossrefs

Cf. A065484 (decimal expansion).

Sequence in context: A204132 A277219 A204135 * A057551 A019823 A338789

Adjacent sequences: A077384 A077385 A077386 * A077388 A077389 A077390

Keyword

cofr,nonn

Author

N. J. A. Sloane, Nov 30 2002

Extensions

Extended by Ray Chandler, Sep 27 2006

Status

approved