A388439 Decimal expansion of (9/256) * exp(Pi) * Pi^(5/2) / Gamma(3/4)^10.

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

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} A050468(k) / exp(k*Pi).

Example

1.8638700287315344606697459471047403352...

Mathematica

First[RealDigits[(9*Pi^(5/2)*Exp[Pi])/(256*Gamma[3/4]^10), 10, 100]]

Prog

(PARI) (9/256) * exp(Pi) * Pi^(5/2) / gamma(3/4)^10

Crossrefs

Cf. A050468.

Sequence in context: A154719 A356034 A263181 * A298978 A199151 A388586

Adjacent sequences: A388436 A388437 A388438 * A388440 A388441 A388442

Keyword

nonn,cons

Author

Simon Plouffe, Sep 15 2025

Status

approved