| Giver | Post | Date |
| Shaktipt | Re: If S is a sequence of numbers of the form X, XX, XXX, XXXX, XXXXX, …, | 19-Oct-2020 |
| ghanjiku2 | Re: If S is a sequence of numbers of the form X, XX, XXX, XXXX, XXXXX, …, | 23-Nov-2017 |
| Marizza | Re: If S is a sequence of numbers of the form X, XX, XXX, XXXX, XXXXX, …, | 07-Aug-2016 |
| Bunuel | Re: If S is a sequence of numbers of the form X, XX, XXX, XXXX, XXXXX, …, | 20-Jul-2016 |