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Old 2004-08-10, 20:00   #1
Uncwilly
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Default My off the top of my head sequence.

This is a seuqnece that I just came up with. It may be a classical one, but I haven't seen it around. Brainiacs should sit on their hands for a while.
Those that think that they have it, use the spoiler to post the next number.

3, 4, 5, 11, 39, .........

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Old 2004-08-10, 21:31   #2
axn
 
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Old 2004-08-11, 00:08   #3
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Old 2004-08-11, 14:03   #4
Uncwilly
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Some how both of you can't be right. I'll give a bit more time before revealing my answer.
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Old 2004-08-11, 14:40   #5
marc
 
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I'd bet mine was wrong. If the sequence is special in some way I'd guess it wasn't my answer which was just a boring polynomial.
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Old 2004-08-11, 14:51   #6
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Default my guess

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Old 2004-08-11, 19:54   #7
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Old 2004-08-11, 20:06   #8
Uncwilly
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4 guesses with 2 being the same. Would those that submitted numbers care to also post (spoilerised of course) the next term after that, i.e. the 7th number in the set.?
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Old 2004-08-11, 20:34   #9
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Old 2004-08-11, 21:12   #10
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Old 2004-08-11, 21:13   #11
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1985
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