A388313 Decimal expansion of (1/8) * exp(11*Pi/12) * 2^(1/4).

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

Offset

1,1

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} A022587(k) / exp(k*Pi).

Example

2.6475601538885047228051233396148472738...

Mathematica

First[RealDigits[Exp[(11*Pi)/12]/(4*2^(3/4)), 10, 100]]

Prog

(PARI) (1/8) * exp(11/12 * Pi) * 2^(1/4)

Crossrefs

Cf. A022587.

Sequence in context: A327458 A202347 A364897 * A266120 A296348 A088438

Adjacent sequences: A388310 A388311 A388312 * A388314 A388315 A388316

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved