A033184 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 1 | | | | | | | | |
| | | | | | | 2 | | 2 | | 1 | | | | | | | |
| | | | | | 5 | | 5 | | 3 | | 1 | | | | | | |
| | | | | 14 | | 14 | | 9 | | 4 | | 1 | | | | | |
| | | | 42 | | 42 | | 28 | | 14 | | 5 | | 1 | | | | |
| | | 132 | | 132 | | 90 | | 48 | | 20 | | 6 | | 1 | | | |
| | 429 | | 429 | | 297 | | 165 | | 75 | | 27 | | 7 | | 1 | | |
| 1430 | | 1430 | | 1001 | | 572 | | 275 | | 110 | | 35 | | 8 | | 1 | |
| 4862 | | 4862 | | 3432 | | 2002 | | 1001 | | 429 | | 154 | | 44 | | 9 | | 1 |
A033184 formatted as a square array:
| 1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 |
| 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 | |
| 1 | 3 | 9 | 28 | 90 | 297 | 1001 | 3432 | | |
| 1 | 4 | 14 | 48 | 165 | 572 | 2002 | | | |
| 1 | 5 | 20 | 75 | 275 | 1001 | | | | |
| 1 | 6 | 27 | 110 | 429 | | | | | |
| 1 | 7 | 35 | 154 | | | | | | |
| 1 | 8 | 44 | | | | | | | |
| 1 | 9 | | | | | | | | |
| 1 | | | | | | | | | |
A033184 formatted as an upper right triangle:
| 1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 |
| 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 |
| | 1 | 3 | 9 | 28 | 90 | 297 | 1001 | 3432 |
| | | 1 | 4 | 14 | 48 | 165 | 572 | 2002 |
| | | | 1 | 5 | 20 | 75 | 275 | 1001 |
| | | | | 1 | 6 | 27 | 110 | 429 |
| | | | | | 1 | 7 | 35 | 154 |
| | | | | | | 1 | 8 | 44 |
| | | | | | | | 1 | 9 |
| | | | | | | | | 1 |
|
