Digits in Fibonacci
We all recognize the Fibonacci Sequence: 1, 1, 2, 3, 5, 8, 13, 21, ...
What is the units digit of the sixty-first Fibonacci number?
Is there a pattern?
1,1,2,3,5,8,13,21,... What is the final digit of the sixty-first Fibonacci number?
— James Tanton (@jamestanton) May 24, 2015