There is a column of numbers: 2, 5, 8, 11, 14, * * *. The seventh number is 20. What should the number 2008 be and what should the number n be It's a seventh grade math problem

There is a column of numbers: 2, 5, 8, 11, 14, * * *. The seventh number is 20. What should the number 2008 be and what should the number n be It's a seventh grade math problem

Nth: 2 + 3 * (n-1)
2008: 2 + 3 × 2007