A388794 Decimal expansion of (1/64) * exp(9*Pi/8) * Pi^(9/4) * 2^(3/8) / Gamma(3/4)^9.

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

Offset

1,2

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

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

Index entries for transcendental numbers.

Formula

Empirical: Equals Sum_{k>=0} A226253(k) / exp(k*Pi).

Example

1.4644101375701532097475569941503660063...

Mathematica

First[RealDigits[Exp[9*Pi/8]*Pi^(9/4)/(32*2^(5/8)*Gamma[3/4]^9), 10, 100]] (* Paolo Xausa, Sep 21 2025 *)

Prog

(PARI) (1/64) * exp(9/8 * Pi) * Pi^(9/4) * 2^(3/8) / gamma(3/4)^9

Crossrefs

Cf. A226253.

Sequence in context: A187147 A128633 A001482 * A198493 A382580 A161965

Adjacent sequences: A388791 A388792 A388793 * A388795 A388796 A388797

Keyword

nonn,cons,changed

Author

Simon Plouffe, Sep 18 2025

Status

approved