[BITList] Puzzler

[x50type at cox.net]

      This is short and sweet. 

      I’m going to give you a series of numbers and ask you what the next number in the series is. Here are the numbers: 4, 6, 12, 18, 30, 42, 60 and then X.
       
      Here is a hint. You may notice all the numbers I’ve given you are even numbers. Here’s another hint. The number after the number I’m looking for is 102.

      What is the number?

            ct
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