Find the next three terms of the given sequences:
1. 2, 5, 8, 11, __, __, __
2. 2, 4, 8, 16, __, __, __
3. 1, -3, -7, -11, __, __, __
4. 2, 6, 18, 54, __, __, __
5. 1, 4, 16, 64, __, __, __
6. 3.2, 4.3, 5.4, __, __, __
7. 60, 48, 36, 24, __, __, __
8. -7, -9, -11, -13, __, __, __
9. 1, 4, 9, 16, 25, __, __, __
10. , , , , __, __, __
Write the first four terms of the sequence whose nth term is given.