# I'm stuck on a sequence problem not sure what to do.

**Question description**

the numbers are 1,4,9,16...

The problem says the sequence is formed by the squared numbers.

I know there's a pattern of squaring the numbers but not sure how to write the formula. At first I would think it was a pattern of adding 2s from the first value to the second. 1 to 4 the pattern is 3. 4 to 9 the pattern is 5. 9 to 16 the pattern is 9.

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