

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
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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.


LINKS

Table of n, a(n) for n=0..103.


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: A154739 A136564 A136042 * A166044 A190287 A087707
Adjacent sequences: A268908 A268909 A268910 * A268912 A268913 A268914


KEYWORD

nonn,cons


AUTHOR

Iaroslav V. Blagouchine, Feb 15 2016


STATUS

approved



