Numbers are alternatively multiplied by 2 and increased by 3
5 Ã— 2 = 10
10 + 3 = 13
13 Ã— 2 = 26
26 + 3 = 29
29 Ã— 2 = 58
58 + 3 = 61
61 Ã— 2 = 122
5, 10, 13, 26, 29, 58, 61, (....)

1. 128
2. 64
3. 122
4. 125
5. 130