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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re: Part 1,Multiply the numbers

| Comment 9 of 12 |

(In reply to Part 1,Multiply the numbers by Tim Axoy)

√²³<>≤≥∞±∑π

Posted by Tim Axoy on 2003-06-01 11:06:46

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