What comes next in the sequence: 6, 12, 18, 24, _
What comes next in the sequence: 1, 2, 4, 8, 16, _
What comes next in the sequence: 0, 5, 10, 15, __
What comes next in the sequence: 2, 3, 5, 7, 11, _
What comes next in the sequence: 144, 121, 100, 81, _
What comes next in the sequence: 1, 3, 6, 10, 15, _
What comes next in the sequence: 100, 50, 25, 12.5, _
What comes next in the sequence: 13, 26, 52, 104, _
What comes next in the sequence: 5, 10, 20, 40, _
What comes next in the sequence: 9, 7, 5, 3, _