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Basic knowledge (Posted on 2006-01-10) Difficulty: 4 of 5
What is the next number in this sequence?

10, 20, 120, 440, 3200, 20460, 116600, 612700...

What is the general rule behind the sequence?

Hint: This sequence starts in n=2. A computer will probably not be able to solve it, but you're welcome to try.

See The Solution Submitted by Alexis    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolution To Part IIK Sengupta2008-04-18 15:58:14
Some ThoughtsSolution To Part IK Sengupta2008-04-18 15:50:02
YepJustin2006-03-17 19:26:34
Hints/TipsSolutionThe riddler2006-01-11 22:59:37
HintgoFish2006-01-11 10:12:22
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