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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A375392 Decimal expansion of the hyperbolic volume of the link complement of the Borromean rings.

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%I A375392 #18 Aug 26 2024 10:14:36
%S A375392 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,
%T A375392 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,
%U A375392 0,4,1,5,8,2,1,0,0,3,8,1,5,5,8,3,4,8,5
%N A375392 Decimal expansion of the hyperbolic volume of the link complement of the Borromean rings.
%H A375392 Luc Ta, <a href="/A375392/b375392.txt">Table of n, a(n) for n = 1..10000</a>
%H A375392 William P. Thurston, <a href="https://www.math.unl.edu/~jkettinger2/thurston.pdf">The Geometry and Topology of Three-Manifolds: With a Preface by Steven P. Kerckhoff</a>, American Mathematical Society (2022): p. 165, Example.
%H A375392 <a href="/index/K#knots">Index entries for sequences related to knots</a>
%F A375392 Equals 8*A006752 = 2*A247685.
%F A375392 Equals -16*Integral_{x=0..Pi/4} log|2*sin(x)| dx.
%F A375392 Equals 2*hyperbolic volume of the link complement of the Whitehead link.
%e A375392 7.32772475341775212043682811945907288619319499425337707...
%t A375392 RealDigits[N[8 * Catalan, 100]][[1]]
%Y A375392 Cf. A006752, A247685, A091518, A282824.
%K A375392 nonn,cons,easy
%O A375392 1,1
%A A375392 _Luc Ta_, Aug 21 2024