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What is the next number?


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#1 brhan

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Posted 19 October 2007 - 03:01 PM

1
11
21
1211
111221
312211
13112221

What is the next number?
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#2 rookie1ja

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Posted 19 October 2007 - 03:20 PM

good one ... however, it is already posted ... check the following Sequence Puzzle

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