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A179592
Decimal expansion of the circumradius of pentagonal cupola with edge length 1.
4
2, 2, 3, 2, 9, 5, 0, 5, 0, 9, 4, 1, 5, 6, 9, 0, 0, 4, 9, 5, 0, 0, 4, 1, 5, 3, 8, 3, 2, 4, 9, 6, 8, 2, 7, 7, 2, 9, 3, 4, 0, 8, 0, 7, 3, 0, 5, 7, 9, 1, 8, 1, 6, 4, 7, 4, 5, 7, 4, 4, 1, 2, 6, 0, 8, 2, 5, 5, 6, 5, 8, 9, 4, 9, 0, 1, 6, 4, 3, 8, 2, 8, 9, 6, 2, 4, 5, 1, 9, 5, 0, 6, 0, 9, 2, 7, 3, 7, 3, 8, 5, 6, 4, 7, 4
OFFSET
1,1
COMMENTS
Pentagonal cupola: 15 vertices, 25 edges, and 12 faces.
FORMULA
Digits of sqrt(11+4*sqrt(5))/2.
EXAMPLE
2.232950509415690049500415383249682772934080730579181647457441260...
MATHEMATICA
RealDigits[N[Sqrt[11+4*Sqrt[5]]/2, 200]]
KEYWORD
nonn,cons,easy
AUTHOR
STATUS
approved