A173398 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 1 | | 4 | | 2 | | 1 |
| | | | | | | 1 | | 1 | | 7 | | 4 | | 3 | | 1 |
| | | | | | 1 | | 1 | | 11 | | 7 | | 9 | | 3 | | 1 |
| | | | | 1 | | 1 | | 16 | | 11 | | 22 | | 9 | | 4 | | 1 |
| | | | 1 | | 1 | | 22 | | 16 | | 46 | | 22 | | 16 | | 4 | | 1 |
| | | 1 | | 1 | | 29 | | 22 | | 86 | | 46 | | 50 | | 16 | | 5 | | 1 |
| | 1 | | 1 | | 37 | | 29 | | 148 | | 86 | | 130 | | 50 | | 25 | | 5 | | 1 |
|
A173398 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29 | 37
| | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29
| | 1 | 3 | 9 | 22 | 46 | 86 | 148
| | 1 | 3 | 9 | 22 | 46 | 86
| | 1 | 4 | 16 | 50 | 130
| | 1 | 4 | 16 | 50
| | 1 | 5 | 25
| | 1 | 5
| | 1
|
A173398 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29 | 37
| | | | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29
| | | | | 1 | 3 | 9 | 22 | 46 | 86 | 148
| | | | | | 1 | 3 | 9 | 22 | 46 | 86
| | | | | | | 1 | 4 | 16 | 50 | 130
| | | | | | | | 1 | 4 | 16 | 50
| | | | | | | | | 1 | 5 | 25
| | | | | | | | | | 1 | 5
| | | | | | | | | | | 1
|
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