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Cool sequence 1 (Posted on 2003-04-24) Difficulty: 3 of 5
Here is a cool sequence.

1,2,12,288,34560,________...

What goes in the blank?

See The Solution Submitted by Tim Axoy    
Rating: 3.2857 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
This sequence is super..... | Comment 5 of 8 |
This sequence is the sequence of superfactorials.
sf(n)=n!*(n-1)!*(n-2)*..#3!*2!*1!
sf(6)=6!*5!*4!*3!*2!*1!=24883200
  Posted by Brian Smith on 2003-04-30 07:42:28
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