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Prime records (Posted on 2018-04-06) Difficulty: 3 of 5
1, 2, 4, 6, 8, ?, 18, 20, 22, ?, ...

No Solution Yet Submitted by Math Man    
Rating: 5.0000 (1 votes)

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The ?s, no spoiler Comment 3 of 3 |
The gap between 8 and 18 is 14
the next ? after 22 is 34

  Posted by Jer on 2018-04-08 11:56:11
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