9n + 6
Chat with our AI personalities
6, 15, 24, 33, 42, 51, 60
30
If you mean: 6 12 18 24 then the nth term is 6n
If you mean: 15 11 7 3 then the nth term is 19-4n
Assuming the pattern would continue: 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13...