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A179589 Decimal expansion of the circumradius of square cupola with edge length 1. 7
1, 3, 9, 8, 9, 6, 6, 3, 2, 5, 9, 6, 5, 9, 0, 6, 7, 0, 2, 0, 3, 1, 5, 4, 0, 5, 3, 9, 4, 3, 1, 9, 9, 8, 7, 6, 4, 6, 7, 3, 5, 2, 2, 5, 6, 3, 8, 6, 6, 2, 3, 8, 8, 7, 9, 9, 3, 0, 9, 3, 6, 3, 2, 3, 1, 5, 0, 3, 7, 3, 5, 9, 2, 0, 3, 7, 9, 8, 0, 2, 9, 9, 1, 1, 4, 8, 2, 8, 3, 0, 0, 5, 0, 1, 4, 4, 6, 8, 0, 3, 0, 4, 2, 9, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Square cupola: 12 vertices, 20 edges, and 10 faces.

LINKS

Table of n, a(n) for n=1..105.

Wolfram Alpha, Johnson solid 4

FORMULA

Digits of sqrt(5+2*sqrt(2))/2.

EXAMPLE

1.398966325965906702031540539431998764673522563866238879930...

MATHEMATICA

RealDigits[N[Sqrt[5+2*Sqrt[2]]/2, 200]]

CROSSREFS

Cf. A001622, A010527, A102208, A179290, A179292, A179294, A179449, A179450, A179451, A179452, A179552, A179553, A019881, A179587, A179588.

Sequence in context: A016677 A288095 A231863 * A302630 A128686 A161574

Adjacent sequences:  A179586 A179587 A179588 * A179590 A179591 A179592

KEYWORD

nonn,cons,easy

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jul 19 2010

STATUS

approved

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Last modified March 20 09:35 EDT 2019. Contains 321345 sequences. (Running on oeis4.)