>>Solving a trick book, those are the ones that I can't answer. Any help?
>>
>>What is the next number in this serie?
>>
>>0 2 24 252 ( )
>>
>>a) 625
>>b) 3120
>>c) 4326
>>d) 3121
>>e) 4192
>>
>
>Sequence is (n ^ n) - n, so next in sequence is 3120

Hi Len.

You are a genius! Thanks. Any clue in the others?