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)

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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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