A388199 - OEIS

A388199

Decimal expansion of (81/16) * Pi^4 / Gamma(3/4)^16.

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

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OFFSET

2,2

LINKS

Table of n, a(n) for n=2..88.

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

FORMULA

Empirical: Equals Sum_{k>=0} A008660(k) / exp(k*Pi).

EXAMPLE

19.073210386559020063404450610907363525...

MATHEMATICA

First[RealDigits[(81*Pi^4)/(16*Gamma[3/4]^16), 10, 100]]