| Giver | Post | Date |
| divya1d | If the number of three-element subsets of (1, 2, 3, 4, 5, . . . n), wh | 26-Jul-2025 |
| emmyandrew99 | If the number of three-element subsets of (1, 2, 3, 4, 5, . . . n), wh | 09-Mar-2024 |
| kellin59 | If the number of three-element subsets of (1, 2, 3, 4, 5, . . . n), wh | 19-Dec-2023 |