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 A366019 Decimal expansion of the average distance between two points in a regular tetrahedron of unit volume. 0
 7, 2, 9, 4, 6, 2, 4, 2, 4, 4, 8, 4, 3, 1, 8, 6, 5, 8, 0, 7, 0, 2, 3, 9, 0, 9, 1, 2, 2, 2, 0, 3, 0, 6, 2, 8, 7, 2, 9, 1, 7, 6, 1, 3, 5, 6, 8, 6, 2, 7, 1, 0, 5, 6, 6, 9, 5, 2, 1, 7, 3, 0, 9, 5, 2, 8, 7, 8, 1, 7, 6, 1, 6, 1, 5, 1, 0, 6, 7, 9, 1, 9, 2, 2, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..85. Dominik Beck, Mean distance in polyhedra, arXiv:2309.13177 [math.PR], 22 Sep 2023. Eric Weisstein's World of Mathematics, Tetrahedron Line Picking EXAMPLE 0.729462424484318... MATHEMATICA RealDigits[3^(1/3) (Sqrt[2]/7 - 37 Pi/315 + 4/15 ArcTan[Sqrt[2]] + 113 Log[3]/(210 Sqrt[2])), 10, 85][[1]] CROSSREFS Cf. A073012. Sequence in context: A092036 A021987 A031026 * A216186 A333360 A021936 Adjacent sequences: A366016 A366017 A366018 * A366020 A366021 A366022 KEYWORD nonn,cons AUTHOR Eric W. Weisstein, Sep 26 2023 STATUS approved

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Last modified August 9 05:18 EDT 2024. Contains 375027 sequences. (Running on oeis4.)