| Giver | Post | Date |
| HanaNafis | Sn represent the sum of n terms of a certain sequence, where each term | 22-Jun-2024 |
| reno | Sn represent the sum of n terms of a certain sequence, where each term | 23-Aug-2023 |
| Carcass | Sn represent the sum of n terms of a certain sequence, where each term | 30-Jul-2023 |