L(N) denotes the Nth Lucas Number
Find the first three digits of L(2016)
gives a nifty formula
for n>=2 where phi is the golden ratio and [x] denotes the nearest integer function.
Raising the golden ratio to the 2106 power is too large for my calculator, but its common logarithm isn't.
Raising 10 to this power allows us to write in scientific notation:
So the answer is 208
Edited on November 7, 2016, 9:28 am
Posted by Jer
on 2016-11-07 09:25:13