A388510 Decimal expansion of 2^(-1/8).

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

Offset

0,1

Links

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

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

Formula

Empirical: Equals Sum_{k>=0} A108494(k) / exp(k*Pi).

Example

0.91700404320467123174354159479414442804...

Mathematica

First[RealDigits[2^(-1/8), 10, 100]]

Prog

(PARI) 2^(-1/8)

Crossrefs

Cf. A108494.

Sequence in context: A213916 A297815 A388640 * A389045 A021920 A388585

Adjacent sequences: A388507 A388508 A388509 * A388511 A388512 A388513

Keyword

nonn,cons

Author

Simon Plouffe, Sep 17 2025

Status

approved