| Giver | Post | Date |
| Anshitab | Re: In the arithmetic sequence t1, t2, t3, ..., tn, t1=23 and tn | 23-Dec-2020 |
| Sarahrockin | Re: In the arithmetic sequence t1, t2, t3, ..., tn, t1=23 and tn | 27-Nov-2020 |
| KHow | Re: In the arithmetic sequence t1, t2, t3, ..., tn, t1=23 and tn | 08-Jan-2019 |
| rmatthew | Re: In the arithmetic sequence t1, t2, t3, ..., tn, t1=23 and tn | 10-Dec-2017 |