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Math Help −> Puzzles −> AD 2004 state championship logic quiz −> Question 09 −> Answer
What are the next two numbers in this sequence?
152, 207
The nth number in the sequence is n multiplied by the nth prime.
1 x 2 = 2 2 x 3 = 6 3 x 5 = 15 4 x 7 = 28 5 x 11 = 55 6 x 13 = 78 7 x 17 = 119 8 x 19 = 152 9 x 23 = 207
If you have access to the Internet, you can often find the pattern in an integer sequence by looking it up on the Sloan website. This particular sequence is called n*(n-th prime), sequence number A033286.
See the NEXT puzzle in the Academic Decathlon 2004 Logic Quiz
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