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A187110 Decimal expansion of sqrt(3/8). 5
6, 1, 2, 3, 7, 2, 4, 3, 5, 6, 9, 5, 7, 9, 4, 5, 2, 4, 5, 4, 9, 3, 2, 1, 0, 1, 8, 6, 7, 6, 4, 7, 2, 8, 4, 7, 9, 9, 1, 4, 8, 6, 8, 7, 0, 1, 6, 4, 1, 6, 7, 5, 3, 2, 1, 0, 8, 1, 7, 3, 1, 4, 1, 8, 1, 2, 7, 4, 0, 0, 9, 4, 3, 6, 4, 3, 2, 8, 7, 5, 6, 6, 3, 4, 9, 6, 4, 8, 5, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Apart from leading digits, the same as A174925.

Radius of the circumscribed sphere (congruent with vertices) for a regular tetrahedron with unit edges. - Stanislav Sykora, Nov 20 2013

LINKS

Table of n, a(n) for n=0..89.

Wikipedia, Tetrahedron

EXAMPLE

sqrt(3/8)=0.61237243569579452454932101867647284799148687016417..

MATHEMATICA

RealDigits[N[Sqrt[3/8], 300]][[1]]

CROSSREFS

Cf. A002194, A010466, A040001, A040005.

Cf. Platonic solids circumradii: A010503 (octahedron), A010527 (cube), A019881 (icosahedron), A179296 (dodecahedron). - Stanislav Sykora, Feb 10 2014

Sequence in context: A222215 A106687 A083463 * A013672 A019946 A090551

Adjacent sequences:  A187107 A187108 A187109 * A187111 A187112 A187113

KEYWORD

nonn,cons

AUTHOR

Vladimir Joseph Stephan Orlovsky, Mar 05 2011

STATUS

approved

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Last modified July 25 18:14 EDT 2017. Contains 289796 sequences.