A388249 Decimal expansion of (1/2) * exp(7*Pi/24) * 2^(1/8).

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

Offset

1,2

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} A022572(k) / exp(k*Pi).

Example

1.3631443787770964839699187263160409865...

Mathematica

First[RealDigits[Exp[(7*Pi)/24]/2^(7/8), 10, 100]]

Prog

(PARI) (1/2) * exp(7/24 * Pi) * 2^(1/8)

Crossrefs

Cf. A022572.

Sequence in context: A340263 A256158 A349237 * A123060 A204931 A178817

Adjacent sequences: A388246 A388247 A388248 * A388250 A388251 A388252

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved