perplexus.info :: Sequences : This will go on for a while.

This will go on for a while. (Posted on 2005-04-15)

9, 9, 18, 9, 17, 8, 15, 6, 11, 2, 3, 5, 8, 13, 4, 7... There is a pattern that shows the next number(s). Find what it is and say what the next three are.

See The Solution Submitted by ron

Rating: 2.3333 (3 votes)

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Solution

| Comment 2 of 11 |

11,2,3....Two ways of getting this. Either adding the digits once they become a two-digit number, or subtracting 9 from two-digit number.

Posted by Elizabeth on 2005-04-15 13:35:32

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