[b]A[/b] [color=#38761d][b]sequence[/b][/color][b] is a function whose[/b] [color=#38761d][b]domain is the set of positive (or sometimes, nonnegative) integers[/b][/color]. [br][br]Recall the domain of a function is the set of all values that can be inputted into the function. [br][br]The following applet dynamically and graphically illustrates the meaning of a [color=#38761d][b]sequence[/b][/color]. [br]Feel free to re-author the [color=#38761d][b]explicit formula for this sequence[/b][/color] in the upper left-hand corner. [br]