| Giver | Post | Date |
| heidiym | Re: In the sequence of positive numbers x1, x2, x3, ..., what is the value | 27-May-2020 |
| Jsound996 | Re: In the sequence of positive numbers x1, x2, x3, ..., what is the value | 16-Apr-2019 |
| Ed2289 | Re: In the sequence of positive numbers x1, x2, x3, ..., what is the value | 20-May-2015 |