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URL: https://oeis.org/A388308

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A388308

Decimal expansion of (1/8) * exp(17*Pi/24) * 2^(7/8).

1

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

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} A022582(k) / exp(k*Pi).

EXAMPLE

2.1219957505105986572137267103668218240...

MATHEMATICA

First[RealDigits[Exp[(17*Pi)/24]/(4*2^(1/8)), 10, 100]]

PROG

(PARI) (1/8) * exp(17/24 * Pi) * 2^(7/8)

CROSSREFS

Sequence in context: A384253 A104060 A062347 * A124781 A124151 A110179

Adjacent sequences: A388305 A388306 A388307 * A388309 A388310 A388311

KEYWORD

nonn,cons

AUTHOR

Simon Plouffe, Sep 15 2025

STATUS

approved