
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
Given that the sum of the first n terms of the sequence ${a_n}$ is $S_n$, with $a_1=1$, $a_2=2$, and for any $n > 1$, $n \in \mathbb{N}$, $S_{n+1} + S_{n-1} = 2(S_n + 1)$, find $S_{10}$.

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