A039810 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 2 | | 1 | | | | | | | |
| | | | | | 5 | | 6 | | 1 | | | | | | |
| | | | | 15 | | 32 | | 12 | | 1 | | | | | |
| | | | 52 | | 175 | | 110 | | 20 | | 1 | | | | |
| | | 203 | | 1012 | | 945 | | 280 | | 30 | | 1 | | | |
| | 877 | | 6230 | | 8092 | | 3465 | | 595 | | 42 | | 1 | | |
| 4140 | | 40819 | | 70756 | | 40992 | | 10010 | | 1120 | | 56 | | 1 | |
| 21147 | | 283944 | | 638423 | | 479976 | | 156072 | | 24570 | | 1932 | | 72 | | 1 |
A039810 formatted as a square array:
| 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147 |
| 1 | 6 | 32 | 175 | 1012 | 6230 | 40819 | 283944 | |
| 1 | 12 | 110 | 945 | 8092 | 70756 | 638423 | | |
| 1 | 20 | 280 | 3465 | 40992 | 479976 | | | |
| 1 | 30 | 595 | 10010 | 156072 | | | | |
| 1 | 42 | 1120 | 24570 | | | | | |
| 1 | 56 | 1932 | | | | | | |
| 1 | 72 | | | | | | | |
| 1 | | | | | | | | |
A039810 formatted as an upper right triangle:
| 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147 |
| 1 | 6 | 32 | 175 | 1012 | 6230 | 40819 | 283944 |
| | 1 | 12 | 110 | 945 | 8092 | 70756 | 638423 |
| | | 1 | 20 | 280 | 3465 | 40992 | 479976 |
| | | | 1 | 30 | 595 | 10010 | 156072 |
| | | | | 1 | 42 | 1120 | 24570 |
| | | | | | 1 | 56 | 1932 |
| | | | | | | 1 | 72 |
| | | | | | | | 1 |
|