Calculus Tutorials What is the Limit of a Sequence? A sequence \(a_n\) corresponds to infinite array or list of number of the form \[a_1, a_2, a_3, ….\] where \(a_1, a_2, a_3, …\) are real numbers. For example, the sequence \[a_n = \frac{1}{n}\] is represented by the list