There is a logical pattern to the following series of numbers. What are the next three numbers in the series?

15 21 25 27 33 35 39 ...

(In reply to my answer by craig)

You can post your solution as long as you indicate that it's a solution in the subject. That way people who do not want the problem spoiled for them will not read your comment until they come up with the solution on their own.

Posted by levik on 2003-02-10 09:45:38