In the following questions, one term in the number series is wrong. Find out the wrong term.

$52,51, 48, 43, 34, 27, 16$

The series follows the following pattern:

So, $34$ is wrong in given series. correct series will be $52,51,48,43,36,27,16$,(Subtract $1, 3, 5, 7, 9, 11$ from successive numbers.)