PLS HELP Find an expression for the nth term ( tn ) in each of the following sequences:
1, 4, 7, ...

If the pattern continues, so that each term is separated by a distance of 3, then the sequence is given by the recursive rule

From this definition, we can write in terms of :

and so on, up to

(notice how the subscript on a and coefficient on 3 add up to n)

or

you have 6 cupcakes