A350048 Decimal expansion of 3/8 - 1/e.

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

Offset

-2,1

Links

Table of n, a(n) for n=-2..82.

Michael Ian Shamos, Shamos's catalog of the real numbers, (2011).

Index entries for transcendental numbers

Formula

Equals Sum_{k>=1} (-1)^(k+1)/(k+4)!.

Example

0.007120558828557678404476229838539132554...

Mathematica

RealDigits[3/8 - 1/E, 10, 100][[1]] (* Amiram Eldar, Dec 12 2021 *)

Prog

(PARI) 3/8 - exp(-1)
(PARI) sumalt(k=1, (-1)^(k+1)/(k+4)!) \\ Michel Marcus, Dec 12 2021

Crossrefs

Cf. A068985 (1/e), A068996 (1 - 1/e).

Sequence in context: A174588 A366316 A199001 * A111037 A369980 A090202

Adjacent sequences: A350045 A350046 A350047 * A350049 A350050 A350051

Keyword

nonn,cons

Author

Christoph B. Kassir, Dec 11 2021

Status

approved