A388431 Decimal expansion of 24 * exp(-Pi).

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

Offset

1,3

Links

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

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

Formula

Empirical: Equals Sum_{k>=0} A045479(k) / exp(k*Pi).

Example

1.0371340383305339945860256921214722706...

Mathematica

First[RealDigits[24*Exp[-Pi], 10, 100]]

Prog

(PARI) 24 * exp(-Pi)

Crossrefs

Cf. A045479.

Sequence in context: A356704 A019631 A023527 * A016664 A197758 A071792

Adjacent sequences: A388428 A388429 A388430 * A388432 A388433 A388434

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved