I need help with a sequence problem

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Submitted by PD on November 19, 2006 - 12:43pm

I need help figuring out which one of these numbers in this sequence needs to be changed (and why):

2 4 8 16 20 22 44 46

My husband and I do not agree. I think I’m wrong but I don’t want to admit defeat until I’m sure! I don’t like sequence problems and my fever is not helping me at all…

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16 needs to be replaced by
Submitted by Daniel on November 19, 2006 - 1:28pm.

16 needs to be replaced by 10...

The rule is "add 2 at one
Submitted by Daniel on November 19, 2006 - 1:52pm.

The rule is "add 2 at one step, multiply by 2 at the next step", and so on. So the next numbers in the series are 92, 94, 188, 190, etc.

Daniel is correct.
Submitted by poorgradstudent on November 20, 2006 - 12:22am.

Daniel is correct.

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