Braingle Lite



1, -6, -9, 0, 45, 198, ?

Category:Series
Submitted By:shenqiang
Fun:** (1.69)
Difficulty:*** (3.03)



What's the next number in this series?

1, -6, -9, 0, 45, 198, ?

Hint:

1 is not divisible by 3, -6 is only divisible by 3 but not by 9. Therefore, consider multiplying by 3.

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