| Giver | Post | Date |
| soumyadubey211988 | For any positive integer x, the 2-height of x is defined to be the | 28-Aug-2016 |
| linden84 | For any positive integer x, the 2-height of x is defined to be the | 26-Aug-2016 |
| mikeonbike | For any positive integer x, the 2-height of x is defined to be the | 06-Aug-2016 |
| gary391 | For any positive integer x, the 2-height of x is defined to be the | 04-Aug-2016 |
| ashmitabansal1 | For any positive integer x, the 2-height of x is defined to be the | 29-Jul-2016 |
| farzana87 | For any positive integer x, the 2-height of x is defined to be the | 12-Jul-2016 |
| jayshah0621 | For any positive integer x, the 2-height of x is defined to be the | 18-Jun-2016 |
| poojakale | For any positive integer x, the 2-height of x is defined to be the | 12-Mar-2016 |
| sudeep1201 | For any positive integer x, the 2-height of x is defined to be the | 15-Feb-2016 |
| amb13 | For any positive integer x, the 2-height of x is defined to be the | 21-Jan-2016 |
| kittiyap | For any positive integer x, the 2-height of x is defined to be the | 07-Jan-2016 |
| dk99 | For any positive integer x, the 2-height of x is defined to be the | 26-Dec-2015 |
| alice7 | For any positive integer x, the 2-height of x is defined to be the | 24-Dec-2015 |
| TooLong150 | For any positive integer x, the 2-height of x is defined to be the | 13-Dec-2015 |
