OFFSET
1,1
COMMENTS
Pentagonal pyramid: 6 faces, 6 vertices, and 10 edges.
LINKS
FORMULA
Digits of sqrt(5/2*(10+sqrt(5)+sqrt(75+30sqrt(5))))/2.
EXAMPLE
3.885540910050063539668319904270950058085880737273174114276853431338785...
MATHEMATICA
RealDigits[N[Sqrt[5/2*(10+Sqrt[5]+Sqrt[75+30*Sqrt[5]])]/2, 200]]
CROSSREFS
KEYWORD
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jul 19 2010
STATUS
approved