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Decimal expansion of Product_{k>=2} (1 - 1/k!!).
1

%I #9 Mar 31 2024 08:45:28

%S 2,6,2,9,4,4,1,3,8,2,8,6,9,8,8,2,5,2,4,9,3,9,7,6,1,2,9,4,7,5,7,9,5,7,

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

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

%N Decimal expansion of Product_{k>=2} (1 - 1/k!!).

%e 0.26294413828698825249397612947579574217...

%Y Cf. A006882, A282529, A370413.

%K nonn,cons

%O 0,1

%A _Ilya Gutkovskiy_, Mar 30 2024