A388666 - OEIS

A388666

Decimal expansion of 2^(7/4) * exp(-Pi/4).

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

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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.

Index entries for transcendental numbers.

FORMULA

Empirical: Equals Sum_{k>=0} A143895(k) / exp(k*Pi).

EXAMPLE

1.53358694886366531254628419367736348065235536027940029351380310418101782493....

MATHEMATICA