What they do is basically put it between the square root of 4 and 9, so that's 2 and 3.
I hope it helps, let me know if it’s right
Answer:
3, 8, 14, 30, 58
Step-by-step explanation:
As with all formulas, put the numbers in place of the corresponding variables, and do the arithmetic.

The first 5 terms of the sequence are 3, 8, 14, 30, 58.