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More Missing Numbers (Posted on 2003-08-06) Difficulty: 1 of 5
What are the next numbers in this sequence?

1,3,12,60,360,2520,...

See The Solution Submitted by Jonny Doe    
Rating: 2.0000 (10 votes)

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Solution Previous numbers | Comment 3 of 9 |
The pattern is that the division of consecutive elements (k+1)/k results in consecutive numbers, starting with 3.

3/1=3
12/3=4
60/12=5
360/60=6
2520/360=7
so
X/2520=8 => X = 2520*8 = 20160

The next question in my mind is, what are the previous numbers in the sequence? 1/2 and 1/2 =) I don't think there can be a finite number before those, because then you would have
Y = 0.5/0

Later!

  Posted by nikki on 2003-08-06 04:42:45
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