A292825 Decimal expansion of Product_{k>=1} (1 - exp(-2*Pi*(2*k-1))).

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

Offset

0,1

Links

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

Formula

Equals 2^(3/8) * exp(-Pi/12).

Equals A259149 / A259150.

Example

0.998132550768018763137001142515185362873724772017575028749511832399762...

Mathematica

RealDigits[2^(3/8) * E^(-Pi/12), 10, 120][[1]]

Crossrefs

Cf. A259149, A292821, A292829.

Cf. A292823, A292824, A292826.

Sequence in context: A347059 A202692 A259149 * A347058 A091667 A300284

Adjacent sequences: A292822 A292823 A292824 * A292826 A292827 A292828

Keyword

nonn,cons

Author

Vaclav Kotesovec, Sep 24 2017

Status

approved