A388696 - OEIS

A388696

Decimal expansion of (1/4) * exp(Pi / 8) * Pi^(3/2) * 2^(1/8) / Gamma(3/4)^6.

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

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OFFSET

0,1

LINKS

Table of n, a(n) for n=0..86.

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

FORMULA

Empirical: Equals Sum_{k>=0} A185653(k) / exp(k*Pi).

EXAMPLE

0.66395376585603998311103272132164395100...

MATHEMATICA

First[RealDigits[(Pi^(3/2)*Exp[Pi/8])/(2*2^(7/8)*Gamma[3/4]^6), 10, 100]]