A388578 Decimal expansion of (1/8) * exp(Pi / 2).

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

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} A124863(k) / exp(k*Pi).

Example

0.60130967262066895693412945833797914080...

Mathematica

First[RealDigits[Exp[Pi/2]/8, 10, 100]]

Prog

(PARI) (1/8) * exp(Pi / 2)

Crossrefs

Cf. A124863.

Sequence in context: A063085 A020796 A011253 * A049248 A178601 A094691

Adjacent sequences: A388575 A388576 A388577 * A388579 A388580 A388581

Keyword

nonn,cons

Author

Simon Plouffe, Sep 18 2025

Status

approved