Find the wrong number in the series: $2, 3, 7, 16, 33, 57, 93$

The differences between consecutive terms should be consecutive squares: $1^2, 2^2, 3^2, 4^2, 5^2, 6^2$ i.e. $1, 4, 9, 16, 25, 36$. So the term after $16$ should be $16+16=32$, not $33$.