A098366 formatted as a triangular array:
| | | | | | | | | | | 1 | | | | | | | | | | | |
| | | | | | | | | | 2 | | 2 | | | | | | | | | | |
| | | | | | | | | 5 | | 4 | | 5 | | | | | | | | | |
| | | | | | | | 9 | | 10 | | 10 | | 9 | | | | | | | | |
| | | | | | | 9 | | 18 | | 25 | | 18 | | 9 | | | | | | | |
| | | | | | 2 | | 18 | | 45 | | 45 | | 18 | | 2 | | | | | | |
| | | | | 1 | | 4 | | 45 | | 81 | | 45 | | 4 | | 1 | | | | | |
| | | | 0 | | 2 | | 10 | | 81 | | 81 | | 10 | | 2 | | 0 | | | | |
| | | 4 | | 0 | | 5 | | 18 | | 81 | | 18 | | 5 | | 0 | | 4 | | | |
| | 9 | | 8 | | 0 | | 9 | | 18 | | 18 | | 9 | | 0 | | 8 | | 9 | | |
| 8 | | 18 | | 20 | | 0 | | 9 | | 4 | | 9 | | 0 | | 20 | | 18 | | 8 | |
| 9 | | 16 | | 45 | | 36 | | 0 | | 2 | | 2 | | 0 | | 36 | | 45 | | 16 | | 9 |
A098366 formatted as a square array:
| 1 | 2 | 5 | 9 | 9 | 2 | 1 | 0 | 4 | 9 | 8 | 9 |
| 2 | 4 | 10 | 18 | 18 | 4 | 2 | 0 | 8 | 18 | 16 | |
| 5 | 10 | 25 | 45 | 45 | 10 | 5 | 0 | 20 | 45 | | |
| 9 | 18 | 45 | 81 | 81 | 18 | 9 | 0 | 36 | | | |
| 9 | 18 | 45 | 81 | 81 | 18 | 9 | 0 | | | | |
| 2 | 4 | 10 | 18 | 18 | 4 | 2 | | | | | |
| 1 | 2 | 5 | 9 | 9 | 2 | | | | | | |
| 0 | 0 | 0 | 0 | 0 | | | | | | | |
| 4 | 8 | 20 | 36 | | | | | | | | |
| 9 | 18 | 45 | | | | | | | | | |
| 8 | 16 | | | | | | | | | | |
| 9 | | | | | | | | | | | |
A098366 formatted as an upper right triangle:
| 1 | 2 | 5 | 9 | 9 | 2 | 1 | 0 | 4 | 9 | 8 | 9 |
| 2 | 4 | 10 | 18 | 18 | 4 | 2 | 0 | 8 | 18 | 16 |
| | 5 | 10 | 25 | 45 | 45 | 10 | 5 | 0 | 20 | 45 |
| | | 9 | 18 | 45 | 81 | 81 | 18 | 9 | 0 | 36 |
| | | | 9 | 18 | 45 | 81 | 81 | 18 | 9 | 0 |
| | | | | 2 | 4 | 10 | 18 | 18 | 4 | 2 |
| | | | | | 1 | 2 | 5 | 9 | 9 | 2 |
| | | | | | | 0 | 0 | 0 | 0 | 0 |
| | | | | | | | 4 | 8 | 20 | 36 |
| | | | | | | | | 9 | 18 | 45 |
| | | | | | | | | | 8 | 16 |
| | | | | | | | | | | 9 |
|