The provided reference indicates that the series 10, 5, and 13 is actually part of a larger sequence: 10, 5, 13, 10, 16, 20, 19, 40, …. Therefore, the missing number immediately following 13 is 10.
Here's how the series is constructed based on the reference:
- The given beginning: 10, 5, 13
- The next number based on the reference: 10
- The complete series up to the values in the reference: 10, 5, 13, 10, 16, 20, 19, 40
| Position | Number |
|---|---|
| 1 | 10 |
| 2 | 5 |
| 3 | 13 |
| 4 | 10 |
| 5 | 16 |
| 6 | 20 |
| 7 | 19 |
| 8 | 40 |
The reference clarifies that the missing number in the initial query is 10, making the sequence: 10, 5, 13, 10.
