A101566 formatted as a triangular array:
| | | | | | | | | | | | 1 | | | | | | | | | | | | |
| | | | | | | | | | | 1 | | 1 | | | | | | | | | | | |
| | | | | | | | | | 2 | | 1 | | 1 | | | | | | | | | | |
| | | | | | | | | 2 | | 2 | | 1 | | 1 | | | | | | | | | |
| | | | | | | | 4 | | 2 | | 2 | | 1 | | 1 | | | | | | | | |
| | | | | | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | | | | | | |
| | | | | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | | | | | |
| | | | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | | | | |
| | | | 10 | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | | | |
| | | 10 | | 10 | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | | |
| | 14 | | 10 | | 10 | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | | |
| 14 | | 14 | | 10 | | 10 | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 | |
| 20 | | 14 | | 14 | | 10 | | 10 | | 6 | | 6 | | 4 | | 4 | | 2 | | 2 | | 1 | | 1 |
A101566 formatted as a square array:
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 | 14 | 20 |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 | 14 | |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 | | |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | | | |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | | | | |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | | | | | |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | | | | | | |
| 1 | 1 | 2 | 2 | 4 | 4 | | | | | | | |
| 1 | 1 | 2 | 2 | 4 | | | | | | | | |
| 1 | 1 | 2 | 2 | | | | | | | | | |
| 1 | 1 | 2 | | | | | | | | | | |
| 1 | 1 | | | | | | | | | | | |
| 1 | | | | | | | | | | | | |
A101566 formatted as an upper right triangle:
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 | 14 | 20 |
| 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 | 14 |
| | 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 | 14 |
| | | 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 | 10 |
| | | | 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 | 10 |
| | | | | 1 | 1 | 2 | 2 | 4 | 4 | 6 | 6 |
| | | | | | 1 | 1 | 2 | 2 | 4 | 4 | 6 |
| | | | | | | 1 | 1 | 2 | 2 | 4 | 4 |
| | | | | | | | 1 | 1 | 2 | 2 | 4 |
| | | | | | | | | 1 | 1 | 2 | 2 |
| | | | | | | | | | 1 | 1 | 2 |
| | | | | | | | | | | 1 | 1 |
| | | | | | | | | | | | 1 |
|