Page 21 - HOW TO PROVE IT: A Structured Approach, Second Edition
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P1: PiG/
                   0521861241int  CB996/Velleman  October 18, 2005  17:26  0 521 86124 1  Char Count= 0






                                                      Introduction                       7
                             5. Use the table in Figure 1 and the discussion on p. 5 to find two more perfect
                               numbers.
                             6. The sequence 3, 5, 7 is a list of three prime numbers such that each pair of
                               adjacent numbers in the list differ by two. Are there any more such “triplet
                               primes”?
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