Mathematical Sequence

Rotary Internat · #1 Oct 2, 2009, 08:57 AM

What is the next number in this mathematical sequence
1 2 6 42 1806

Unknown008 · Oct 2, 2009, 10:46 AM

I have seen that one before...

Ok, look here:
1 * (1+1) = 2
2 * (2+1) = 6
6 * (6+1) = 42
42 * (42+1) = 1806

Ok? Can you solve it?



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