A072802 Continued fraction expansion of Product_{p prime} (1 + 1/(p*(p^2-1))).

1, 4, 3, 11, 33, 1, 2, 1, 4, 103, 1, 1, 1, 2, 2, 12, 1, 1, 3, 2, 3, 1, 1, 15, 1, 5, 11, 1, 1, 1, 5, 1, 1, 14, 1, 1, 1, 2, 20, 2, 1, 2, 2, 29, 1, 8, 1, 1, 4, 2, 2, 6, 4, 1, 1, 1, 2, 1, 12, 1, 1, 3, 2, 2, 2, 4, 2, 7, 1, 11, 2, 4, 2, 1, 1, 1, 2, 2, 1, 3, 1, 2, 7, 2, 3, 1, 11, 3, 15, 1, 1, 3, 2, 1, 3, 1, 1

Offset

0,2

Links

Table of n, a(n) for n=0..96.

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

Prog

(PARI) \p 1002 x=1.2312911488886035627747876512720337... (cut-and-paste all 1002 digits from link) contfrac(x)
(PARI) contfrac(prodeulerrat(1 + 1/(p*(p^2-1)))) \\ Amiram Eldar, Jun 13 2021

Crossrefs

Cf. A065487 (decimal expansion).

Sequence in context: A001166 A065337 A257078 * A093726 A126604 A191617

Adjacent sequences: A072799 A072800 A072801 * A072803 A072804 A072805

Keyword

cofr,nonn

Author

Rick L. Shepherd, Jul 11 2002

Status

approved