A388190 - OEIS

A388190

Decimal expansion of (1/16) * exp(5*Pi/8) * Pi^(5/4) * 2^(7/8) / Gamma(3/4)^5.

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

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OFFSET

1,2

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} A008439(k) / exp(k*Pi).

EXAMPLE

1.2360466108882188393750382673269879737...

MATHEMATICA

First[RealDigits[(-64*2^(7/8)*Pi^(5/4)*Exp[(5*Pi)/8])/Gamma[-1/4]^5, 10, 100]]