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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
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
Sequence in context: A016677 A288095 A231863 * A368737 A302630 A128686
KEYWORD
nonn,cons,easy
AUTHOR
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)