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Decimal expansion of Product_{k>=1} (1 - exp(-2*Pi*(2*k-1))).
6

%I #3 Sep 24 2017 09:05:01

%S 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,

%T 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,

%U 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

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

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

%F Equals A259149 / A259150.

%e 0.998132550768018763137001142515185362873724772017575028749511832399762...

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

%Y Cf. A259149, A292821, A292829.

%Y Cf. A292823, A292824, A292826.

%K nonn,cons

%O 0,1

%A _Vaclav Kotesovec_, Sep 24 2017