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URL: https://oeis.org/A388096

⇱ A388096 - OEIS

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A388096

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

1

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

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

OFFSET

1,3

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} A001937(k) / exp(k*Pi).

EXAMPLE

1.1484078148788087524710011715015315115...

MATHEMATICA

First[RealDigits[Exp[(3*Pi)/8]/(2*Sqrt[2]), 10, 100]]

PROG

(PARI) 1/4 * exp(3/8 * Pi) * 2^(1/2)

CROSSREFS

Sequence in context: A033197 A124002 A014457 * A376546 A365941 A365946

Adjacent sequences: A388093 A388094 A388095 * A388097 A388098 A388099

KEYWORD

nonn,cons

AUTHOR

Simon Plouffe, Sep 14 2025

STATUS

approved