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A374169
Decimal expansion of -(1/2)*log(1-1/e).
0
2, 2, 9, 3, 3, 7, 5, 7, 2, 6, 9, 3, 5, 4, 0, 9, 4, 5, 5, 1, 0, 8, 2, 1, 8, 2, 2, 5, 3, 3, 6, 6, 4, 8, 5, 0, 9, 3, 8, 4, 8, 8, 9, 5, 3, 3, 4, 6, 0, 9, 7, 0, 7, 2, 4, 1, 7, 4, 9, 9, 0, 8, 2, 8, 9, 6, 4, 0, 7, 1, 0, 4, 5, 3, 8, 7, 1, 0, 0, 8, 0, 6, 1, 0, 0, 2, 2, 1, 4, 0, 4, 7, 5, 8, 4, 7, 6, 2, 7, 1, 0, 3, 8, 6, 3
OFFSET
0,1
LINKS
FORMULA
Equals Sum_{k>=1} 1/(2*k*e^k) [Shamos].
Equals Integral_{x=0..1} x/(-x^2 + e) dx.
EXAMPLE
0.22933757269354094551082182253366485093848895334609...
MATHEMATICA
RealDigits[-(1/2)*Log[1-1/E], 10, 105][[1]] (* Stefano Spezia, Jun 30 2024 *)
PROG
(PARI) -(1/2)*log(1-1/exp(1))
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved