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A179640
Decimal expansion of the surface area of gyroelongated pentagonal pyramid with edge length 1.
1
8, 2, 1, 5, 6, 6, 7, 9, 2, 8, 9, 7, 2, 2, 5, 6, 7, 7, 3, 4, 8, 6, 9, 3, 5, 7, 5, 8, 0, 3, 5, 6, 3, 0, 9, 7, 5, 4, 4, 2, 8, 9, 3, 8, 7, 1, 7, 9, 9, 1, 2, 5, 6, 8, 4, 4, 1, 6, 3, 7, 0, 8, 7, 9, 9, 6, 8, 6, 1, 7, 8, 0, 5, 6, 1, 6, 9, 6, 6, 3, 7, 0, 3, 8, 6, 7, 3, 9, 4, 4, 1, 7, 2, 7, 2, 6, 9, 8, 9, 9, 2, 7, 7, 4, 7
OFFSET
1,1
COMMENTS
Gyroelongated pentagonal pyramid: 11 vertices, 25 edges, and 16 faces.
FORMULA
Digits of sqrt(5/2*(70+sqrt(5)+3*sqrt(75+30*sqrt(5))))/2.
EXAMPLE
8.21566792897225677348693575803563097544289387179912568441637087996861...
MATHEMATICA
RealDigits[N[Sqrt[5/2*(70+Sqrt[5]+3*Sqrt[75+30*Sqrt[5]])]/2, 200]]
KEYWORD
cons,nonn,easy
AUTHOR
STATUS
approved