[go: up one dir, main page]

login
A179593
Decimal expansion of the volume of pentagonal rotunda with edge length 1.
5
6, 9, 1, 7, 7, 6, 2, 9, 6, 8, 1, 2, 4, 7, 0, 2, 0, 6, 9, 9, 1, 2, 9, 9, 6, 0, 3, 0, 7, 0, 2, 6, 4, 1, 3, 3, 3, 5, 4, 0, 8, 7, 6, 0, 0, 9, 4, 4, 9, 6, 6, 1, 4, 4, 2, 7, 1, 7, 1, 0, 4, 4, 3, 0, 9, 9, 8, 2, 3, 7, 9, 7, 7, 9, 8, 6, 8, 9, 0, 2, 7, 4, 1, 7, 0, 4, 2, 0, 4, 1, 1, 8, 6, 9, 9, 4, 1, 5, 5, 6, 2, 0, 6, 8, 0
OFFSET
1,1
COMMENTS
Pentagonal rotunda: 20 vertices, 35 edges, and 17 faces.
FORMULA
Digits of (45+17*sqrt(5))/12.
EXAMPLE
6.91776296812470206991299603070264133354087600944966144271710443099823...
MATHEMATICA
RealDigits[N[(45+17*Sqrt[5])/12, 200]]
KEYWORD
nonn,cons,easy
AUTHOR
STATUS
approved