A388311 Decimal expansion of (1/8) * exp(5*Pi/6) * sqrt(2).

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

Offset

1,1

Links

Table of n, a(n) for n=1..87.

Simon Plouffe, Numbers in the base e^Pi, 2025.

Index entries for transcendental numbers.

Formula

Empirical: Equals Sum_{k>=0} A022585(k) / exp(k*Pi).

Example

2.4232895288635968972919878008190920811...

Mathematica

First[RealDigits[Exp[(5*Pi)/6]/(4*Sqrt[2]), 10, 100]]

Prog

(PARI) (1/8) * exp(5/6 * Pi) * sqrt(2)

Crossrefs

Cf. A022585.

Sequence in context: A182742 A087229 A351432 * A320156 A351785 A054240

Adjacent sequences: A388308 A388309 A388310 * A388312 A388313 A388314

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved