A388257 - OEIS

A388257

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

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

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OFFSET

1,2

LINKS

Kelvin Voskuijl, Table of n, a(n) for n = 1..20000

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

Index entries for transcendental numbers.

FORMULA

Empirical: Equals Sum_{k>=0} A022580(k) / exp(k*Pi).

EXAMPLE

1.94224485322947432964568041659794651549830307455760125464750620929972201175....

MATHEMATICA