Depending on the mounting plate for the TV bracket, you may want to attach a section of 3/4” plywood onto the stud to be sure all fasteners are set into something more substantial than the 1/8” luan wall covering.
When thieves ripped our main TV off the wall years ago, it was plainly obvious that only 1 of the 4 screws was actually in the stud (and then just barely).
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