A039798 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 1 | | 3 | | 3 | | | | | | |
| | | | | 1 | | 6 | | 14 | | 14 | | | | | |
| | | | 1 | | 10 | | 40 | | 84 | | 84 | | | | |
| | | 1 | | 15 | | 90 | | 300 | | 594 | | 594 | | | |
| | 1 | | 21 | | 175 | | 825 | | 2475 | | 4719 | | 4719 | | |
| 1 | | 28 | | 308 | | 1925 | | 7865 | | 22022 | | 40898 | | 40898 | |
| 1 | | 36 | | 504 | | 4004 | | 21021 | | 78078 | | 208208 | | 379236 | | 379236 |
A039798 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | |
| 3 | 14 | 40 | 90 | 175 | 308 | 504 | | |
| 14 | 84 | 300 | 825 | 1925 | 4004 | | | |
| 84 | 594 | 2475 | 7865 | 21021 | | | | |
| 594 | 4719 | 22022 | 78078 | | | | | |
| 4719 | 40898 | 208208 | | | | | | |
| 40898 | 379236 | | | | | | | |
| 379236 | | | | | | | | |
A039798 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 |
| | 3 | 14 | 40 | 90 | 175 | 308 | 504 |
| | | 14 | 84 | 300 | 825 | 1925 | 4004 |
| | | | 84 | 594 | 2475 | 7865 | 21021 |
| | | | | 594 | 4719 | 22022 | 78078 |
| | | | | | 4719 | 40898 | 208208 |
| | | | | | | 40898 | 379236 |
| | | | | | | | 379236 |
|
