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What came first? (Posted on 2002-12-04) Difficulty: 3 of 5
Find the first number in the following series. (there may be more than one answer?)

?, 2 ,3 , 8, 30, 144, 840, 5760, 45360...

See The Solution Submitted by Cory Taylor    
Rating: 3.0000 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Number Play | Comment 4 of 12 |
I like the way the numbers were played with here!
  Posted by cges on 2002-12-06 06:44:17
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