%I #8 Jun 20 2019 02:56:37
%S 5,7,9,8,0,3,2,5,2,2,8,1,6,2,9,5,3,1,3,2,4,7,1,6,1,1,2,1,2,0,9,2,6,6,
%T 8,2,2,5,5,7,3,2,6,5,3,6,6,2,3,6,2,2,6,8,3,4,4,1,0,1,9,7,6,6,8,6,9,4,
%U 9,2,2,3,2,9,5,0,6,7,3,2,9,4,1,6,4,6,1,6,1,3,0,2,6,6,4,0,5,9,1,3,9,3,2,9,3,1,7,7,8,6,4,8,2,2,4,0,6,1,2
%N Decimal expansion of sqrt(2)*sinh(sqrt(2)*Pi)/(33*Pi).
%F Equals Product_{k>=2} (1 - 1/(k*(k + 1)*(k + 2)/6)).
%F Equals Product_{k>=2} (1 - 1/A000292(k)).
%e 0.579803252281629531324716112120926682255732653662...
%t RealDigits[Sqrt[2] Sinh[Sqrt[2] Pi]/(33 Pi), 10, 119][[1]]
%o (PARI) sqrt(2)*sinh(sqrt(2)*Pi)/(33*Pi) \\ _Michel Marcus_, Jun 20 2019
%Y Cf. A000292, A308666, A308714.
%K nonn,cons
%O 0,1
%A _Ilya Gutkovskiy_, Jun 19 2019
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