The number sequence game - Cat Forum : Cat Discussion Forums
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post #1 of 13 (permalink) Old 08-02-2005, 04:35 PM Thread Starter
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The number sequence game

In this game you try to figure out the next number in the sequence, and list a sequence or sequences for others to figure out. The previous ones don't have to all be answered for you to list yours, and you can answer any in the thread, not just in the previous post.

1, 2, 3, 8, 15, ?
1, 4, 27, 256, ?
1, 4, 10, 20, ?
0, 1, 4, 12, 32, ? Also, what do these numbers describe?
1, 36, 1225, 41616, ? (harder than the rest)
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post #2 of 13 (permalink) Old 08-02-2005, 05:06 PM
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i think I got it right...... 1 2 3 5 8 15 21

A really easy one for ya! 1-2-2-4-8

EDIT: OK...I got it wrong. Here's one for you,

1-1-2-3-5-8-13-21 (typo there boscosmum... you were correct! )

A really easy one for ya! 1-2-2-4-8
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post #3 of 13 (permalink) Old 08-02-2005, 05:23 PM Thread Starter
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^ 1-2-2-4-8-32 (a term is the product of the previous 2 terms). Unless one of the 2's you typed is accidental and it's 1-2-4-8-16.


There isn't a 5 in my first sequence and 21 isn't next after 15.
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post #4 of 13 (permalink) Old 08-02-2005, 05:25 PM
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I dont get it...

the first example looks wrong.
shouldnt it be

1, 2, 3, 5, 8, 13, 21
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post #5 of 13 (permalink) Old 08-02-2005, 05:26 PM
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oh ok looking at first sequence again....there is no five
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post #6 of 13 (permalink) Old 08-02-2005, 05:56 PM
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1, 4, 10, 20, ? *35?*



2-4-16-?
2-8-128-32768?
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post #7 of 13 (permalink) Old 08-02-2005, 06:15 PM Thread Starter
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35 is correct

2-4-16-256
2-8-128-32768-2147483648
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post #8 of 13 (permalink) Old 08-02-2005, 11:44 PM
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Quote:
Originally Posted by Spuzzi
1, 4, 10, 20, ? *35?*



2-4-16-?
2-8-128-32768?
Can you tell me how you figured this out?
I want to get what you guys are doing...but I need a couple examples
along with the solutions. (dont laugh)
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post #9 of 13 (permalink) Old 08-03-2005, 02:53 AM
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2-4-16-256
2-8-128-32768-2147483648 COrrect!

OK.

So...first you find the difference from 1, 4, 10 and 20

1___4____10___20
3____6____10

Then you find the difference fom 3, 6 and 10.

3____4

but there is no difference so you add to the sequence.

3____4____5

Now you add

20
10
5
__
35 My grandpa taught me how to do this.
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post #10 of 13 (permalink) Old 08-03-2005, 11:30 AM
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Well....there is simply no way in He77 that
I would have ever figured that out
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