A388189 - OEIS

A388189

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

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

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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} A008438(k) / exp(k*Pi).

EXAMPLE

1.1847531676154454452670404290779779669...

MATHEMATICA

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