A388795 Decimal expansion of (1/128) * exp(5*Pi/4) * Pi^(5/2) * 2^(3/4) / Gamma(3/4)^10.

1, 5, 2, 7, 8, 1, 1, 2, 2, 4, 2, 8, 8, 2, 5, 1, 8, 7, 1, 4, 8, 4, 2, 3, 3, 8, 4, 4, 5, 2, 0, 3, 3, 4, 5, 2, 2, 7, 4, 6, 0, 9, 5, 2, 4, 4, 3, 0, 0, 3, 8, 6, 6, 4, 5, 9, 9, 4, 2, 2, 7, 7, 3, 8, 8, 0, 8, 6, 4, 4, 6, 9, 6, 8, 4, 7, 5, 4, 5, 6, 6, 7, 3, 8, 2, 2, 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} A226254(k) / exp(k*Pi).

Example

1.5278112242882518714842338445203345227...

Mathematica

First[RealDigits[Exp[5*Pi/4]*Pi^(5/2)*2^(3/4)/(128*Gamma[3/4]^10), 10, 100]] (* Paolo Xausa, Sep 21 2025 *)

Prog

(PARI) (1/128) * exp(5/4 * Pi) * Pi^(5/2) * 2^(3/4) / gamma(3/4)^10

Crossrefs

Cf. A226254.

Sequence in context: A074454 A256110 A267211 * A201423 A396705 A155790

Adjacent sequences: A388792 A388793 A388794 * A388796 A388797 A388798

Keyword

nonn,cons,changed

Author

Simon Plouffe, Sep 18 2025

Status

approved