A388343 Decimal expansion of 8 * exp(-25*Pi/24) * 2^(1/8).

3, 3, 0, 7, 4, 5, 0, 6, 1, 1, 9, 4, 3, 7, 0, 4, 1, 8, 0, 3, 9, 5, 0, 6, 4, 5, 3, 6, 2, 1, 9, 0, 7, 3, 8, 6, 9, 3, 5, 6, 1, 3, 9, 6, 4, 4, 2, 6, 3, 6, 6, 8, 7, 6, 5, 4, 7, 6, 5, 4, 0, 0, 4, 0, 7, 5, 6, 1, 4, 1, 7, 2, 8, 0, 7, 7, 3, 9, 8, 7, 5, 2, 8, 8, 3, 1, 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} A022620(k) / exp(k*Pi).

Example

0.33074506119437041803950645362190738694...

Mathematica

First[RealDigits[8*2^(1/8)*Exp[(-25*Pi)/24], 10, 100]]

Prog

(PARI) 8 * exp(-25/24 * Pi) * 2^(1/8)

Crossrefs

Cf. A022620.

Sequence in context: A338037 A377147 A164107 * A093755 A176276 A200701

Adjacent sequences: A388340 A388341 A388342 * A388344 A388345 A388346

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved