Ononot — A sequence satisfies an = a{n-1} + a{n-2} with a0 = 2 and a1

Guest Session: 1 Question Remaining. Create Account to save progress.

Recurrence Relationsmedium

0:00.0

A sequence satisfies $a_n = a_{n-1} + a_{n-2}$ with $a_0 = 2$ and $a_1 = 1$ (Lucas numbers). Calculate $a_4$ .