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   Author  Topic: Sequence  (Read 562 times)
Kaotis
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Sequence  
« on: Aug 23rd, 2004, 11:21pm »
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I I'm not sure if it's hard enough to put it in the Medium forum.... So solve it! Smiley
 
6.28.469,8128,?
« Last Edit: Aug 23rd, 2004, 11:22pm by Kaotis » IP Logged
Rezyk
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Re: Sequence  
« Reply #1 on: Aug 24th, 2004, 12:28am »
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Quote:
6.28.469,8128,?

 
"6,28,496,8128,?" would be much easier...
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rmsgrey
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Re: Sequence  
« Reply #2 on: Aug 24th, 2004, 3:44am »
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In fact it would be perfectly simple, though I only ever got around to proving that a certain set of numbers all had a certain property, rather than proving that only those numbers do.
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ThudnBlunder
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Re: Sequence  
« Reply #3 on: Aug 24th, 2004, 11:22am »
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So solve it!

:33550336
 
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Kaotis
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Re: Sequence  
« Reply #4 on: Aug 29th, 2004, 1:28pm »
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Yeap!
it's perfectly correct!  
how long it's take you to figure this out?
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rmsgrey
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Re: Sequence  
« Reply #5 on: Aug 31st, 2004, 7:19am »
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Since I'm only familiar with one property exclusively shared by 6 and 28 below 100, it wasn't too hard to make the leap and deduce that that was the property unifying the sequence. Had I bothered to calculate the next term, that would have taken far more time than recognising the sequence did. Had I attempted to prove that that was the next term, I'd probably still be working at it unless I either delegated much of the work to a computer, or got hit by an insight that escaped me last time I tackled the problem (over a decade ago)
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