A173238 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | | 5 | | 2 | | 1 | | 7 |
| | | | | | | | | 3 | | 1 | | 11 | | 5 | | 2 |
| | | | | | | | 1 | | 15 | | 7 | | 3 | | 1 | | 22 |
| | | | | | | 11 | | 5 | | 2 | | 1 | | 30 | | 15 | | 7 |
| | | | | | 3 | | 1 | | 42 | | 22 | | 11 | | 5 | | 2 | | 1 |
| | | | | 56 | | 30 | | 15 | | 7 | | 3 | | 1 | | 77 | | 42 | | 22 |
| | | | 11 | | 5 | | 2 | | 1 | | 101 | | 56 | | 30 | | 15 | | 7 | | 3 |
| | | 1 | | 135 | | 77 | | 42 | | 22 | | 11 | | 5 | | 2 | | 1 | | 176 | | 101 |
| | 56 | | 30 | | 15 | | 7 | | 3 | | 1 |
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A173238 as a square array
| 1 | 1 | 1 | 5 | 3 | 1 | 11 | 3 | 56 | 11 | 1 | 56
| | 2 | 3 | 2 | 1 | 15 | 5 | 1 | 30 | 5 | 135 | 30
| | 1 | 1 | 11 | 7 | 2 | 42 | 15 | 2 | 77 | 15
| | 7 | 5 | 3 | 1 | 22 | 7 | 1 | 42 | 7
| | 2 | 1 | 30 | 11 | 3 | 101 | 22 | 3
| | 22 | 15 | 5 | 1 | 56 | 11 | 1
| | 7 | 2 | 77 | 30 | 5
| | 1 | 42 | 15 | 2
| | 22 | 7 | 1
| | 3 | 176
| | 101
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A173238 as an upper right triangle
| 1 | 1 | 1 | 5 | 3 | 1 | 11 | 3 | 56 | 11 | 1 | 56
| | 2 | 3 | 2 | 1 | 15 | 5 | 1 | 30 | 5 | 135 | 30
| | | 1 | 1 | 11 | 7 | 2 | 42 | 15 | 2 | 77 | 15
| | | | 7 | 5 | 3 | 1 | 22 | 7 | 1 | 42 | 7
| | | | | 2 | 1 | 30 | 11 | 3 | 101 | 22 | 3
| | | | | | 22 | 15 | 5 | 1 | 56 | 11 | 1
| | | | | | | 7 | 2 | 77 | 30 | 5
| | | | | | | | 1 | 42 | 15 | 2
| | | | | | | | | 22 | 7 | 1
| | | | | | | | | | 3 | 176
| | | | | | | | | | | 101
| | | | | | | | | | |
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