A388454 Decimal expansion of (1/4) * exp(Pi / 4) * 2^(3/4).

9, 2, 2, 1, 6, 0, 6, 6, 6, 1, 5, 6, 5, 4, 1, 1, 7, 3, 7, 2, 3, 9, 8, 8, 9, 1, 5, 0, 4, 6, 6, 4, 5, 6, 1, 4, 1, 6, 4, 2, 8, 9, 1, 0, 5, 2, 2, 1, 3, 7, 8, 9, 8, 4, 8, 0, 5, 2, 0, 4, 0, 2, 7, 6, 4, 0, 1, 1, 5, 8, 9, 2, 6, 6, 5, 3, 9, 1, 6, 3, 6, 4, 0, 6, 8, 4, 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} A079006(k) / exp(k*Pi).

Example

0.92216066615654117372398891504664561416...

Mathematica

First[RealDigits[Exp[Pi/4]/(2*2^(1/4)), 10, 100]]

Prog

(PARI) (1/4) * exp(Pi / 4) * 2^(3/4)

Crossrefs

Cf. A079006.

Sequence in context: A334689 A388928 A335086 * A388838 A151898 A379385

Adjacent sequences: A388451 A388452 A388453 * A388455 A388456 A388457

Keyword

nonn,cons

Author

Simon Plouffe, Sep 17 2025

Status

approved