A292827 - OEIS

%I #3 Sep 24 2017 09:05:18

%S 1,2,1,9,2,2,4,8,0,1,9,9,8,7,7,3,5,7,7,1,7,9,4,2,7,4,8,4,3,4,9,0,2,3,

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

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

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

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

%F Equals A292819 / A292820.

%e 1.219224801998773577179427484349023235631844499700916838279952481630782...

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

%Y Cf. A259147, A292819, A292823.

%Y Cf. A292828, A292829.

%K nonn,cons

%O 1,2

%A _Vaclav Kotesovec_, Sep 24 2017