A394702 Decimal expansion of Product_{p prime} (1-1/p^p).

7, 2, 1, 9, 9, 0, 2, 3, 4, 4, 1, 9, 5, 5, 1, 5, 0, 1, 0, 4, 3, 5, 0, 7, 0, 2, 7, 7, 4, 6, 4, 5, 0, 3, 7, 4, 8, 9, 5, 1, 6, 4, 2, 1, 6, 5, 8, 9, 5, 4, 0, 7, 3, 6, 3, 8, 3, 3, 2, 0, 3, 8, 9, 7, 1, 2, 4, 6, 9, 9, 0, 9, 5, 3, 0, 1, 1, 8, 0, 9, 7, 3, 3, 1, 5, 9, 8, 4, 3, 3, 5, 7, 3, 6, 2, 5, 6, 6, 3, 7, 3, 5, 3, 1, 0, 5

Offset

0,1

Comments

The asymptotic density of A048103.

Links

Table of n, a(n) for n=0..105.

Example

0.721990234419551501043507...

Prog

(PARI) prodinf(k = 1, 1 - 1/prime(k)^prime(k)) \\ Amiram Eldar, Apr 04 2026

Crossrefs

Cf. A048103, A051674.

Sequence in context: A377813 A268895 A394003 * A108433 A274570 A334056

Adjacent sequences: A394699 A394700 A394701 * A394703 A394704 A394705

Keyword

nonn,cons

Author

Hugo Pfoertner, Apr 04 2026

Status

approved