1, 2, 4, 6, 12, 14, 60...
Why is there only o e odd member?
(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.
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Posted by Jer
on 2018-08-19 16:55:04 |