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A268911
Decimal expansion of the integral int_{x=0..1} 1/Gamma(x) dx.
3
5, 4, 1, 2, 3, 5, 7, 3, 4, 3, 2, 8, 6, 7, 0, 5, 3, 0, 1, 4, 9, 5, 3, 7, 3, 2, 8, 8, 7, 9, 5, 5, 2, 0, 1, 3, 8, 9, 9, 2, 5, 6, 2, 0, 6, 6, 4, 9, 9, 7, 6, 0, 9, 7, 3, 5, 8, 9, 6, 1, 2, 5, 5, 1, 6, 7, 9, 1, 1, 8, 9, 1, 4, 3, 0, 5, 2, 6, 3, 8, 4, 4, 2, 5, 0, 9, 4, 2, 3, 8, 4, 2, 0, 2, 6, 2, 5, 6, 8, 5, 5, 3, 4, 4
OFFSET
0,1
COMMENTS
Gamma(x) is the gamma function. The value of this integral may also be accurately estimated by using bounds given in comments of A268895.
EXAMPLE
0.5412357343286705301495373288795520138992562066499760...
MAPLE
evalf(Int(1/GAMMA(x), x = 0..1), 60);
MATHEMATICA
NIntegrate[1/Gamma[x], {x, 0, 1}, WorkingPrecision->150]
PROG
(PARI) default(realprecision, 150); intnum(x=0, 1, 1/gamma(x))
CROSSREFS
Cf. A268895.
Sequence in context: A321044 A136564 A136042 * A351123 A166044 A190287
KEYWORD
nonn,cons
AUTHOR
STATUS
approved