perplexus.info :: Sequences : What came first?

What came first? (Posted on 2002-12-04)

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.)

re(2): I get the sequence, but not the first number

| Comment 3 of 12 |

I work so hard to come up eith a difficult problem, and you make it look so easy.

Posted by Cory Taylor on 2002-12-06 05:10:29

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