%I #7 May 23 2022 06:42:04
%S 1,0,4,3,2,9,8,2,6,2,6,4,4,6,8,7,0,1,2,5,2,7,8,7,5,6,8,8,8,1,5,5,9,1,
%T 4,5,6,1,0,3,3,1,1,2,0,9,9,9,8,7,5,2,6,4,5,7,4,1,4,7,7,2,8,9,4,7,0,4,
%U 7,2,0,1,8,1,9,1,0,0,5,2,5,6,2,1,0,9,2,2,9,7,5,7,8,4,2,7,6,2,7,1,7,9,7,4,3
%N Decimal expansion of Product_{k>=1} (1 + exp(-Pi*(2*k-1))).
%D A. P. Prudnikov, Yu. A. Brychkov, and O. I. Marichev, Integrals and Series, Vol. 1 (Overseas Publishers Association, Amsterdam, 1986), p. 757, section 6.2.3, formula 5.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/InfiniteProduct.html">Infinite Product</a>, formula 50.
%F Equals 2^(1/4) * exp(-Pi/24).
%F Equals A292820 / A292821.
%e 1.043298262644687012527875688815591456103311209998752645741477289470472...
%t RealDigits[2^(1/4) * E^(-Pi/24), 10, 120][[1]]
%Y Cf. A259148, A292820, A292824.
%Y Cf. A292827, A292829.
%K nonn,cons
%O 1,3
%A _Vaclav Kotesovec_, Sep 24 2017
|