What is the nth term formula of 13 20 27 34 41?

The sequence 13, 20, 27, 34, 41 is an arithmetic sequence with a common difference of 7. The nth term formula can be expressed as ( a_n = 13 + (n - 1) \times 7 ). Simplifying this, we get ( a_n = 7n + 6 ). Thus, the nth term is given by ( a_n = 7n + 6 ).