A388375 - OEIS

A388375

Decimal expansion of (-32 * sqrt(2+2 / sqrt(5)) * Pi^(3/4)) / Gamma(-1/4)^3.

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,3

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} A029595(k) / exp(k*Pi).

EXAMPLE

1.0908432211066863739387055182592837673...

MATHEMATICA

First[RealDigits[(-32*Sqrt[2 + 2/Sqrt[5]]*Pi^(3/4))/Gamma[-1/4]^3, 10, 100]]