| Giver | Post | Date |
| Kornroll | In the infinite sequence a1, a2, a3, ..., an, each term after the firs | 22-Jun-2020 |
| esonrev | In the infinite sequence a1, a2, a3, ..., an, each term after the firs | 14-Nov-2019 |
| thakushr | In the infinite sequence a1, a2, a3, ..., an, each term after the firs | 20-Mar-2018 |
| ao86 | In the infinite sequence a1, a2, a3, ..., an, each term after the firs | 10-Mar-2015 |