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3, 7, 14, 23, 36, 49...

Category:Series
Submitted By:mrice
Fun:*** (2.24)
Difficulty:*** (2.46)



What are the next two numbers in this series:

3, 7, 14, 23, 36, 49, ...

Answer:

... 66, 83, ...

The series is the sum of the series of positive prime numbers and squares, i.e.:

2,3,5,7,11,13....
+
1,4,9,16,25,36...

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Comments on this teaser

Posted by Gizzer08/09/02
Then the first number in the series should be 2!
Posted by Jimbo11/24/02
The smallest prime is 2 so the prime series should read 2,3,5,7,....


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