OFFSET
0,1
LINKS
Michael I. Shamos, A catalog of the real numbers (2011).
EXAMPLE
0.9916669422390941905634229...
MATHEMATICA
RealDigits[HypergeometricPFQ[{}, {1/5, 2/5, 3/5, 4/5}, -1/5^5], 10, 120][[1]] (* Amiram Eldar, Jun 04 2023 *)
PROG
(PARI) sumalt(k=0, (-1)^k/(5*k)!) \\ Michel Marcus, Jul 18 2021
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Sean A. Irvine, Jul 17 2021
STATUS
approved