A072801 Continued fraction expansion of Product_{p prime} (1 - 1/(p*(p^2-1))).

0, 1, 3, 1, 2, 1, 1, 2, 1, 1, 1, 18, 1, 1, 6, 5, 59, 1, 2, 159, 1, 5, 1, 3, 1, 1, 73, 1, 4, 1, 3, 22, 1, 90, 9, 4, 145, 1, 32, 1, 2, 3, 1, 2, 1, 2, 4, 1, 2, 12, 1, 462, 1, 3, 3, 2, 2, 1, 1, 1, 1, 7, 2, 4, 23, 1, 6, 1, 2, 1, 3, 1, 3, 2, 6, 1, 1, 10, 2, 2, 10, 5, 24, 3, 1, 3, 1, 181, 5, 1, 1, 3, 4, 3, 1

Offset

0,3

Links

Table of n, a(n) for n=0..94.

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

Prog

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

Crossrefs

Cf. A065470 (decimal expansion).

Sequence in context: A243977 A328569 A016569 * A098872 A349473 A167366

Adjacent sequences: A072798 A072799 A072800 * A072802 A072803 A072804

Keyword

cofr,nonn

Author

Rick L. Shepherd, Jul 11 2002

Status

approved