A098158 formatted as a triangular array:
| | | | | | | | | | | 1 | | | | | | | | | | | |
| | | | | | | | | | 0 | | 1 | | | | | | | | | | |
| | | | | | | | | 0 | | 1 | | 1 | | | | | | | | | |
| | | | | | | | 0 | | 0 | | 3 | | 1 | | | | | | | | |
| | | | | | | 0 | | 0 | | 1 | | 6 | | 1 | | | | | | | |
| | | | | | 0 | | 0 | | 0 | | 5 | | 10 | | 1 | | | | | | |
| | | | | 0 | | 0 | | 0 | | 1 | | 15 | | 15 | | 1 | | | | | |
| | | | 0 | | 0 | | 0 | | 0 | | 7 | | 35 | | 21 | | 1 | | | | |
| | | 0 | | 0 | | 0 | | 0 | | 1 | | 28 | | 70 | | 28 | | 1 | | | |
| | 0 | | 0 | | 0 | | 0 | | 0 | | 9 | | 84 | | 126 | | 36 | | 1 | | |
| 0 | | 0 | | 0 | | 0 | | 0 | | 1 | | 45 | | 210 | | 210 | | 45 | | 1 | |
| 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 11 | | 165 | | 462 | | 330 | | 55 | | 1 |
A098158 formatted as a square array:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| 1 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | | | |
| 1 | 10 | 15 | 7 | 1 | 0 | 0 | 0 | | | | |
| 1 | 15 | 35 | 28 | 9 | 1 | 0 | | | | | |
| 1 | 21 | 70 | 84 | 45 | 11 | | | | | | |
| 1 | 28 | 126 | 210 | 165 | | | | | | | |
| 1 | 36 | 210 | 462 | | | | | | | | |
| 1 | 45 | 330 | | | | | | | | | |
| 1 | 55 | | | | | | | | | | |
| 1 | | | | | | | | | | | |
A098158 formatted as an upper right triangle:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| | | 1 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
| | | | 1 | 10 | 15 | 7 | 1 | 0 | 0 | 0 |
| | | | | 1 | 15 | 35 | 28 | 9 | 1 | 0 |
| | | | | | 1 | 21 | 70 | 84 | 45 | 11 |
| | | | | | | 1 | 28 | 126 | 210 | 165 |
| | | | | | | | 1 | 36 | 210 | 462 |
| | | | | | | | | 1 | 45 | 330 |
| | | | | | | | | | 1 | 55 |
| | | | | | | | | | | 1 |
|