# Quite Sequential

**Algebra**Level pending

Let \(f(x) =3x+n\), where \(x\in \mathbb N\) and \(n\in \mathbb Z\). If \(f(x) \) does not contain any perfect square, find the sum of all possible values of \(n\), where \(|n| < 100 \).

**Notations**:

\(\mathbb N \) denotes the set of all positive integers.

\(\mathbb Z \) denotes the set of all integers.