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A375392
Decimal expansion of the hyperbolic volume of the link complement of the Borromean rings.
1
7, 3, 2, 7, 7, 2, 4, 7, 5, 3, 4, 1, 7, 7, 5, 2, 1, 2, 0, 4, 3, 6, 8, 2, 8, 1, 1, 9, 4, 5, 9, 0, 7, 2, 8, 8, 6, 1, 9, 3, 1, 9, 4, 9, 9, 4, 2, 5, 3, 3, 7, 7, 0, 7, 4, 1, 3, 1, 9, 8, 4, 9, 5, 6, 9, 7, 4, 1, 0, 4, 1, 5, 8, 2, 1, 0, 0, 3, 8, 1, 5, 5, 8, 3, 4, 8, 5
OFFSET
1,1
FORMULA
Equals 8*A006752 = 2*A247685.
Equals -16*Integral_{x=0..Pi/4} log|2*sin(x)| dx.
Equals 2*hyperbolic volume of the link complement of the Whitehead link.
EXAMPLE
7.32772475341775212043682811945907288619319499425337707...
MATHEMATICA
RealDigits[N[8 * Catalan, 100]][[1]]
CROSSREFS
KEYWORD
nonn,cons,easy
AUTHOR
Luc Ta, Aug 21 2024
STATUS
approved