A346907 Decimal expansion of 2 - 3 * Pi^3 / (2^6 * sqrt(2)).

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

Offset

0,1

References

L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (326).

Links

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

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

Index entries for transcendental numbers.

Formula

Equals 2 - 3 * Pi^3 / (2^6 * sqrt(2)).

Equals 1 + Sum_{k>=1} ( (-1)^k/(4*k-1)^3 - (-1)^k/(4*k+1)^3 ).

Example

0.9722774140631414321207433819977442327898996814630...

Mathematica

RealDigits[2-3*Pi^3/(2^6*Sqrt[2]), 10, 120][[1]] (* Amiram Eldar, Jun 13 2023 *)

Crossrefs

Cf. A346908, A346849, A346850.

Sequence in context: A195357 A328968 A267316 * A021511 A029688 A155792

Adjacent sequences: A346904 A346905 A346906 * A346908 A346909 A346910

Keyword

nonn,cons

Author

Sean A. Irvine, Aug 06 2021

Status

approved