Determine Whether the Recurrence Relation Is a Linear Homogeneous Recurrence $$a _ { n } - 7 a _ { n - 2 } + a _ { n - 5 } = 0$$

determine whether the recurrence relation is a linear homogeneous recurrence relation with
constant coefficients.
- $$a _ { n } - 7 a _ { n - 2 } + a _ { n - 5 } = 0$$