A292823 Decimal expansion of Product_{k>=1} (1 - exp(-Pi*(2*k-1)/2)).

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

Offset

0,1

Links

Table of n, a(n) for n=0..105.

Formula

Equals 2^(1/16) * (sqrt(2)-1)^(1/4) * exp(-Pi/48).

Equals A259147 / A259148.

Example

0.784686075566357581658758601749378057226783036118391503264762538090598...

Mathematica

RealDigits[2^(1/16) * (Sqrt[2]-1)^(1/4) * E^(-Pi/48), 10, 120][[1]]

Crossrefs

Cf. A259147, A292819, A292827.

Cf. A292824, A292825, A292826.

Sequence in context: A011243 A194642 A114857 * A256920 A307065 A344965

Adjacent sequences: A292820 A292821 A292822 * A292824 A292825 A292826

Keyword

nonn,cons

Author

Vaclav Kotesovec, Sep 24 2017

Status

approved