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karotto
Newbie

Posts: 4
 Sequence   « on: Aug 3rd, 2014, 11:03am » Quote Modify

9, 9, 29, 7, 8, 91, 2, 6, 73, 8, 0, 19, 2, 4, ?, 7
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dudiobugtron
Uberpuzzler

Posts: 735
 Re: Sequence   « Reply #1 on: Aug 4th, 2014, 7:51pm » Quote Modify

I notice that Every third number is somewhat larger than the preceding two, and is also a prime number.  Perhaps the prime each time is generated by the two numbers before it?
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pex
Uberpuzzler

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Posts: 880
 Re: Sequence   « Reply #2 on: Aug 5th, 2014, 3:02am » Quote Modify

I spotted that pattern as well, and nothing else really, except that 91 is not prime.
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dudiobugtron
Uberpuzzler

Posts: 735
 Re: Sequence   « Reply #3 on: Aug 5th, 2014, 5:51pm » Quote Modify

on Aug 5th, 2014, 3:02am, pex wrote:
 except that 91 is not prime.

Thanks for spotting that!  I'll take this opportunity to express my displeasure at 7 and its presumptuous behaviour as a divisor.
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