Braingle Lite



1, 2, 2, 3, 2, 4, 2, 4, 3, 4, _, _, _

Category:Series
Submitted By:shenqiang
Fun:** (1.8)
Difficulty:*** (2.9)



1, 2, 2, 3, 2, 4, 2, 4, 3, 4, _, _, _

Hint:

Which terms are 2, and which terms are odd?

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