A346437 Decimal expansion of the constant Sum_{k>=0} (-1)^k/(7*k)!.

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

Offset

0,1

Links

Table of n, a(n) for n=0..86.

Michael I. Shamos, A catalog of the real numbers (2011).

Example

0.99980158731305804716545837...

Mathematica

RealDigits[HypergeometricPFQ[{}, {1/7, 2/7, 3/7, 4/7, 5/7, 6/7}, -1/7^7], 10, 120][[1]] (* Amiram Eldar, Jun 04 2023 *)

Prog

(PARI) sumalt(k=0, (-1)^k/(7*k)!) \\ Michel Marcus, Jul 18 2021

Crossrefs

Cf. A068985, A049470, A346441, A346440, A346439, A346438, A346437, A346436, A346435, A196498.

Sequence in context: A346571 A346745 A307054 * A346260 A019898 A330119

Adjacent sequences: A346434 A346435 A346436 * A346438 A346439 A346440

Keyword

cons,nonn

Author

Sean A. Irvine, Jul 17 2021

Status

approved