Figure. 8. (a) K is a digital Klein bottle. (b) The solution profiles of the initial value problem on the Klein bottle K at points 1 and 3, t=0, 1,… 100, f60=f61 =3, fk0=fk1 =0, k≠6. Two lines are oscillations with period T>2

From

Periodicity of Generalized Fibonacci-like Sequences

Alexander V. Evako

Applied Mathematics and Physics. 2017, 5(1), 11-18 doi:10.12691/amp-5-1-2