
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Consider a sequence $y_1,$ $y_2,$ $y_3,$ $\dots$ defined by
\begin{align*}
y_1 &= \sqrt[4]{4}, \\
y_2 &= (\sqrt[4]{4})^{\sqrt[4]{4}},
\end{align*}
and in general,
\[y_n = (y_{n - 1})^{\sqrt[4]{4}}\]for $n > 1.$ What is the smallest value of $n$ for which $y_n$ is an integer?

Present the answer in LaTex format: \boxed{Your answer}
user