OFFSET
3,2
COMMENTS
Decimal expansion of the internal angle of the regular heptadecagon (in degrees).
Period 16. - Jianing Song, Jun 22 2018
LINKS
Wikipedia, Heptadecagon
FORMULA
Equals 180*15/17 = 158 + (14/17) = 180 - A303817.
From Chai Wah Wu, Dec 20 2019: (Start)
a(n) = a(n-1) - a(n-8) + a(n-9) for n > 12.
G.f.: x^3*(x^9 - 8*x^8 + 3*x^7 - 2*x^6 - x^5 + 6*x^4 - 3*x^2 - 4*x - 1)/((x - 1)*(x^8 + 1)). (End)
EXAMPLE
158.82352941176470588235294117647058823529411764705882352941176470...
CROSSREFS
KEYWORD
AUTHOR
Omar E. Pol, Jun 13 2018
STATUS
approved