A388460 Decimal expansion of exp(Pi / 24) / 2^(1/4).

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

Offset

0,1

Links

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

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

Index entries for transcendental numbers.

Formula

Empirical: Equals Sum_{k>=0} A081360(k) / exp(k*Pi).

Example

0.95849867272382013626870812138914213540...

Mathematica

First[RealDigits[Exp[Pi/24]/2^(1/4), 10, 100]]

Prog

(PARI) (1/2) * exp(Pi / 24) * 2^(3/4)

Crossrefs

Cf. A081360.

Sequence in context: A329715 A388599 A388564 * A388776 A375901 A388503

Adjacent sequences: A388457 A388458 A388459 * A388461 A388462 A388463

Keyword

nonn,cons

Author

Simon Plouffe, Sep 17 2025

Status

approved