
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
a) $17,27,47,87,167, ?$

b) $1,2,3,5,8,13, ?$

c) $1,3,6,10,15,21, ?$

d) $7,9,11,13,15, ?$

e) $2,3,5,7,11,13,17, ?$

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