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What's next? (3) (Posted on 2018-08-19) Difficulty: 1 of 5
1, 2, 4, 6, 12, 14, 60...

Why is there only o e odd member?

No Solution Yet Submitted by Ady TZIDON    
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re: researched solution | Comment 2 of 3 |
(In reply to researched solution by Charlie)

Looking at a graph of (n,A(n)) you can see the jump from A(6)=14 to A(7)=60 is not all that unusual.  The next big jump is from A(29)=216 to A(30)=296.  Such jumps look as unpredictable as the primes themselves.
  Posted by Jer on 2018-08-19 16:55:04

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