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A346435
Decimal expansion of the constant Sum_{k>=0} (-1)^k/(9*k)!.
9
9, 9, 9, 9, 9, 7, 2, 4, 4, 2, 6, 8, 0, 7, 7, 7, 5, 7, 6, 0, 3, 0, 0, 4, 4, 3, 0, 0, 3, 8, 5, 0, 5, 3, 2, 4, 9, 3, 6, 6, 2, 5, 4, 7, 1, 5, 7, 7, 4, 2, 0, 9, 5, 4, 8, 6, 8, 2, 6, 3, 4, 9, 5, 7, 5, 4, 1, 0, 7, 8, 5, 1, 3, 8, 8, 1, 5, 1, 0, 4, 5, 8, 8, 0, 7, 7, 3
OFFSET
0,1
EXAMPLE
0.99999724426807775760300443003850532493662547157742...
MATHEMATICA
RealDigits[HypergeometricPFQ[{}, {1/9, 2/9, 1/3, 4/9, 5/9, 2/3, 7/9, 8/9}, -1/3^18], 10, 120][[1]] (* Amiram Eldar, Jun 04 2023 *)
PROG
(PARI) sumalt(k=0, (-1)^k/(9*k)!) \\ Michel Marcus, Jul 18 2021
KEYWORD
cons,nonn
AUTHOR
Sean A. Irvine, Jul 17 2021
STATUS
approved