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A367732
Decimal expansion of Sum_{k>=1} (-1)^(k+1) / (k^2 * k!).
2
8, 9, 1, 2, 1, 2, 7, 9, 8, 1, 1, 1, 3, 0, 2, 3, 7, 6, 0, 6, 9, 8, 5, 7, 8, 6, 2, 4, 5, 5, 3, 5, 4, 6, 2, 5, 1, 6, 9, 6, 0, 1, 2, 5, 1, 1, 9, 7, 9, 4, 8, 3, 2, 4, 8, 6, 8, 7, 7, 4, 5, 4, 1, 2, 3, 1, 6, 6, 5, 2, 5, 5, 7, 8, 8, 0, 6, 9, 7, 2, 2, 8, 7, 3, 7, 5, 0, 0, 3, 5, 7, 0, 7, 1, 8, 2, 2, 5, 1, 8
OFFSET
0,1
EXAMPLE
0.89121279811130237606985786245535...
MATHEMATICA
RealDigits[HypergeometricPFQ[{1, 1, 1}, {2, 2, 2}, -1], 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Ilya Gutkovskiy, Nov 28 2023
STATUS
approved