OFFSET
1,1
COMMENTS
Pentagonal cupola: 15 vertices, 25 edges, and 12 faces.
LINKS
Wolfram Alpha, Johnson solid 5
FORMULA
Digits of sqrt(11+4*sqrt(5))/2.
EXAMPLE
2.232950509415690049500415383249682772934080730579181647457441260...
MATHEMATICA
RealDigits[N[Sqrt[11+4*Sqrt[5]]/2, 200]]
CROSSREFS
KEYWORD
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jul 19 2010
STATUS
approved