Give a Recursive Definition (With Initial Condition(s)) Of $$\left\{ a _ { n } \right\} \quad ( n = 1,2,3 , \ldots )$$

Short Answer

give a recursive definition (with initial condition(s)) of $$\left\{ a _ { n } \right\} \quad ( n = 1,2,3 , \ldots )$$
- $$a _ { n } = n ^ { 2 } + n$$