
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 the sequence $\{a_n\}$, $a_1=1$, for any $n\in\mathbb{N}^*$, we have $a_{n+1}=1+n+a_n$. Let $b_i= \frac {1}{a_i}$, $(i\in\mathbb{N}^*)$, calculate the sum $b_1+b_2+\ldots+b_{2018}$.

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