| Recipient | Post | Date |
| Har8 | The sequence A is defined by the following relationship: | 19-Jan-2021 |
| lacktutor | Re: What is the sum of the first 20 term of the sequence 0.7, 0.77, 0.777, | 18-Jan-2021 |
| IanStewart | Re: The number 21! = 51,090,942,171,709,440,000 has over 60,000 positive | 16-Jan-2021 |
| sudh | Re: There is a rectangular prism made of 1 in cubes that has been covered | 11-Dec-2020 |