1
Input: 1 → [×3 - 2] → ? =
2
Input: 1 → [?] → 1, what is the rule? =
3
Input: 2 → [?] → 6, what is the rule? =
4
Input: 5 → [?] → 10, what is the rule? =
5
Input: 1 → [×2 + 1] → ? =
6
Input: 6 → [?] → 11, what is the rule? =
7
Input: 7 → [+4 ×2] → ? =