find the wrong number in the series

5,18,39,67,105

please explain 

Dear Student!

The given numbers are 5, 18, 39, 67 and 105.

The number 67 is wrong in the given series. 67 does not follow the pattern formed by the remaining given numbers. The number four should be added instead of three, so that the numbers follow a pattern. The correct number should be 68 instead of 67.

Cheers!

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