A001265 formatted as a triangular array:
| | | | | | | | | | 0 | | | | | | | | | | |
| | | | | | | | | 1 | | 3 | | | | | | | | | |
| | | | | | | | 7 | | 3 | | 5 | | | | | | | | |
| | | | | | | 31 | | 3 | | 3 | | 7 | | | | | | | |
| | | | | | 127 | | 3 | | 5 | | 17 | | 7 | | | | | | |
| | | | | 73 | | 3 | | 11 | | 31 | | 23 | | 89 | | | | | |
| | | | 3 | | 3 | | 5 | | 7 | | 13 | | 8191 | | 3 | | | | |
| | | 43 | | 127 | | 7 | | 31 | | 151 | | 3 | | 5 | | 17 | | | |
| | 257 | | 131071 | | 3 | | 3 | | 3 | | 7 | | 19 | | 73 | | 524287 | | |
| 3 | | 5 | | 5 | | 11 | | 31 | | 41 | | 7 | | 7 | | 127 | | 337 | |
| 3 | | 23 | | 89 | | 683 | | 47 | | 178481 | | 3 | | 3 | | 5 | | 7 | | 13 |
A001265 formatted as a square array:
| 0 | 1 | 7 | 31 | 127 | 73 | 3 | 43 | 257 | 3 | 3 |
| 3 | 3 | 3 | 3 | 3 | 3 | 127 | 131071 | 5 | 23 | |
| 5 | 3 | 5 | 11 | 5 | 7 | 3 | 5 | 89 | | |
| 7 | 17 | 31 | 7 | 31 | 3 | 11 | 683 | | | |
| 7 | 23 | 13 | 151 | 3 | 31 | 47 | | | | |
| 89 | 8191 | 3 | 7 | 41 | 178481 | | | | | |
| 3 | 5 | 19 | 7 | 3 | | | | | | |
| 17 | 73 | 7 | 3 | | | | | | | |
| 524287 | 127 | 5 | | | | | | | | |
| 337 | 7 | | | | | | | | | |
| 13 | | | | | | | | | | |
A001265 formatted as an upper right triangle:
| 0 | 1 | 7 | 31 | 127 | 73 | 3 | 43 | 257 | 3 | 3 |
| 3 | 3 | 3 | 3 | 3 | 3 | 127 | 131071 | 5 | 23 |
| | 5 | 3 | 5 | 11 | 5 | 7 | 3 | 5 | 89 |
| | | 7 | 17 | 31 | 7 | 31 | 3 | 11 | 683 |
| | | | 7 | 23 | 13 | 151 | 3 | 31 | 47 |
| | | | | 89 | 8191 | 3 | 7 | 41 | 178481 |
| | | | | | 3 | 5 | 19 | 7 | 3 |
| | | | | | | 17 | 73 | 7 | 3 |
| | | | | | | | 524287 | 127 | 5 |
| | | | | | | | | 337 | 7 |
| | | | | | | | | | 13 |
|
