Fibonacci Numbers

Help has arrived and Q2b was solved.

This is sequence of (1, 1, 2, 3, 5, 8,...) Fibonacci Numbers.

1 + 1 = 2

1 + 2 = 3

2 + 3 = 5

3 + 5 = 8

5 + 8 = 13

8 + 13 = 21

13 + 21 = 34

21 + 34 = 55, etc

(source: en.wikipedia.org/wiki/Fibonacci_number)