What is the nthn^{th}nth term of the sequence 2,5,8,11,…2, 5, 8, 11, \dots2,5,8,11,…?
an=3n−1a_n = 3n-1an=3n−1
an=3n+1a_n = 3n+1an=3n+1
an=2n+1a_n = 2n+1an=2n+1
an=3na_n = 3nan=3n