A350089 Decimal expansion of 3*Pi^2/256 - 1/9.

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

Offset

-2,1

Links

Table of n, a(n) for n=-2..83.

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

Index entries for transcendental numbers

Formula

Equals Sum_{k>=1} 1/((2k-1)(2k+1)(2k+3))^2.

Example

0.0045483154641548102033555802936875350058...

Mathematica

RealDigits[3*Pi^2/256 - 1/9, 10, 100][[1]] (* Amiram Eldar, Dec 14 2021 *)

Prog

(PARI) 3*Pi^2/256 - 1/9

Crossrefs

Cf. A000796.

Sequence in context: A343442 A232635 A201296 * A246954 A045834 A106148

Adjacent sequences: A350086 A350087 A350088 * A350090 A350091 A350092

Keyword

nonn,cons

Author

Christoph B. Kassir, Dec 13 2021

Status

approved