A348874 - OEIS

%I #7 Nov 02 2021 16:00:23

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

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

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

%N Decimal expansion of Sum_{k>=0} (-1)^k / (k!)^3.

%e 0.1204421323010176465613008396942133399847579917856929...

%t RealDigits[HypergeometricPFQ[{}, {1, 1}, -1], 10, 110] [[1]]

%o (PARI) sumalt(k=0, (-1)^k / (k!)^3) \\ _Michel Marcus_, Nov 02 2021

%Y Cf. A068985, A091681, A271574.

%K nonn,cons

%O 0,2

%A _Ilya Gutkovskiy_, Nov 02 2021