A138243 as a triangular array
| | | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | | | | 2 | | 3 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | | | 2 | | 3 | | 5 | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | 2 | | 3 | | 1 | | 7 | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | 2 | | 3 | | 5 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | 2 | | 3 | | 1 | | 1 | | 11 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | 2 | | 3 | | 5 | | 7 | | 1 | | 13 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
|
A138243 as a square array
1 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1
| 1 | 1 | 5 | 1 | 1 | 1 | 5 | 1 | 1 | 1 | 5 | 1
| 1 | 1 | 1 | 7 | 1 | 1 | 1 | 1 | 1 | 7 | 1
| 1 | 1 | 1 | 1 | 1 | 1 | 11 | 1 | 1 | 1
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 13 | 1
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 1
| 1 | 1 | 1
| 1 | 1
| 1
|
A138243 as an upper right triangle
1 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1
| | | 1 | 1 | 5 | 1 | 1 | 1 | 5 | 1 | 1 | 1 | 5 | 1
| | | | 1 | 1 | 1 | 7 | 1 | 1 | 1 | 1 | 1 | 7 | 1
| | | | | 1 | 1 | 1 | 1 | 1 | 1 | 11 | 1 | 1 | 1
| | | | | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 13 | 1
| | | | | | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | | | | | | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | | | | | | | 1 | 1 | 1 | 1 | 1 | 1
| | | | | | | | | | 1 | 1 | 1 | 1 | 1
| | | | | | | | | | | 1 | 1 | 1 | 1
| | | | | | | | | | | | 1 | 1 | 1
| | | | | | | | | | | | | 1 | 1
| | | | | | | | | | | | | | 1
|
|