login
A179641
Decimal expansion of the volume of pentagonal dipyramid with edge length 1.
0
6, 0, 3, 0, 0, 5, 6, 6, 4, 7, 9, 1, 6, 4, 9, 1, 4, 1, 3, 6, 7, 4, 3, 1, 1, 3, 9, 0, 6, 0, 9, 3, 9, 6, 8, 6, 2, 8, 6, 7, 1, 8, 1, 9, 6, 6, 3, 4, 2, 9, 3, 8, 1, 0, 3, 5, 5, 9, 0, 8, 1, 0, 3, 7, 8, 4, 2, 1, 0, 0, 7, 7, 1, 3, 6, 4, 8, 3, 7, 4, 1, 6, 1, 7, 8, 6, 7, 8, 6, 7, 3, 6, 4, 8, 9, 8, 5, 2, 2, 9, 1, 4, 1, 2, 5
OFFSET
0,1
COMMENTS
Pentagonal dipyramid: 7 vertices, 15 edges, and 10 faces.
FORMULA
Digits of (5+sqrt(5))/12.
EXAMPLE
0.60300566479164914136743113906093968628671819663429381035590810378421...
MATHEMATICA
RealDigits[N[(5+Sqrt[5])/12, 200]]
PROG
(PARI) (sqrt(5)+5)/12 \\ Charles R Greathouse IV, Apr 25 2016
KEYWORD
cons,nonn,easy
AUTHOR
EXTENSIONS
Offset corrected by R. J. Mathar, Aug 15 2010
STATUS
approved