Reply To: Unique Properties of Integers Exploration! by How it Works › Forums › Exploration Problems (Interesting Math Problems!) › Unique Properties of Integers Exploration! › Reply To: Unique Properties of Integers Exploration! October 5, 2016 at 6:17 pm #340 adminKeymaster MathJax TeX Test Page Very good Anton, you have received 20 points for your observations! Try to see if you can prove a more general result though that the fibonnaci sequence is periodic in $\bmod n$ for all integers $n$. This reply was modified 3 years, 3 months ago by admin.