A204087 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | | 1 | | 2 | | 6 | | 2 | | 1 |
| | | | | | | | 1 | | 5 | | 10 | | 10 | | 5 | | 1 |
| | | | | | | 1 | | 1 | | 5 | | 10 | | 5 | | 1 | | 1 |
| | | | | | 1 | | 7 | | 7 | | 35 | | 35 | | 7 | | 7 | | 1 |
| | | | | 1 | | 2 | | 14 | | 14 | | 70 | | 14 | | 14 | | 2 | | 1 |
| | | | 1 | | 3 | | 6 | | 42 | | 42 | | 42 | | 42 | | 6 | | 3 | | 1 |
| | | 1 | | 1 | | 3 | | 6 | | 42 | | 42 | | 42 | | 6 | | 3 | | 1 | | 1 |
| | 1 | | 11 | | 11 | | 33 | | 66 | | 462 | | 462 | | 66 | | 33 | | 11 | | 11 | | 1 |
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A204087 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 2 | 3 | 2 | 5 | 1 | 7 | 2 | 3 | 1 | 11
| 1 | 3 | 6 | 10 | 5 | 7 | 14 | 6 | 3 | 11
| 1 | 2 | 10 | 10 | 35 | 14 | 42 | 6 | 33
| 1 | 5 | 5 | 35 | 70 | 42 | 42 | 66
| 1 | 1 | 7 | 14 | 42 | 42 | 462
| 1 | 7 | 14 | 42 | 42 | 462
| 1 | 2 | 6 | 6 | 66
| 1 | 3 | 3 | 33
| 1 | 1 | 11
| 1 | 11
| 1
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A204087 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 2 | 5 | 1 | 7 | 2 | 3 | 1 | 11
| | | 1 | 3 | 6 | 10 | 5 | 7 | 14 | 6 | 3 | 11
| | | | 1 | 2 | 10 | 10 | 35 | 14 | 42 | 6 | 33
| | | | | 1 | 5 | 5 | 35 | 70 | 42 | 42 | 66
| | | | | | 1 | 1 | 7 | 14 | 42 | 42 | 462
| | | | | | | 1 | 7 | 14 | 42 | 42 | 462
| | | | | | | | 1 | 2 | 6 | 6 | 66
| | | | | | | | | 1 | 3 | 3 | 33
| | | | | | | | | | 1 | 1 | 11
| | | | | | | | | | | 1 | 11
| | | | | | | | | | | | 1
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