A388349 Decimal expansion of 8 * exp(-31*Pi/24) * 2^(7/8).

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

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} A022626(k) / exp(k*Pi).

Example

0.25361315462440040041613333222166107544...

Mathematica

First[RealDigits[8*2^(7/8)*Exp[(-31*Pi)/24], 10, 100]]

Prog

(PARI) 8 * exp(-31/24 * Pi) * 2^(7/8)

Crossrefs

Cf. A022626.

Sequence in context: A091807 A085825 A198140 * A339259 A340066 A212614

Adjacent sequences: A388346 A388347 A388348 * A388350 A388351 A388352

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved