A303816 Decimal expansion of 2700/17.

1, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9, 4, 1, 1, 7, 6, 4, 7, 0, 5, 8, 8, 2, 3, 5, 2, 9

Offset

3,2

Comments

Decimal expansion of the internal angle of the regular heptadecagon (in degrees).

Period 16. - Jianing Song, Jun 22 2018

Links

Table of n, a(n) for n=3..107.

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

Essentially the same as A007450. Cf. A019434, A210644, A210649, A303817.

Sequence in context: A131040 A231786 A007450 * A342647 A200297 A155735

Adjacent sequences: A303813 A303814 A303815 * A303817 A303818 A303819

Keyword

nonn,cons,easy

Author

Omar E. Pol, Jun 13 2018

Status

approved