A103997 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 1 | | 3 | | 1 | | | | | | |
| | | | | 1 | | 11 | | 7 | | 1 | | | | | |
| | | | 1 | | 41 | | 71 | | 18 | | 1 | | | | |
| | | 1 | | 153 | | 769 | | 539 | | 47 | | 1 | | | |
| | 1 | | 571 | | 8449 | | 17753 | | 4271 | | 123 | | 1 | | |
| 1 | | 2131 | | 93127 | | 603126 | | 434657 | | 34276 | | 322 | | 1 | |
| 1 | | 7953 | | 1027207 | | 20721019 | | 46069729 | | 10894561 | | 276119 | | 843 | | 1 |
A103997 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 11 | 41 | 153 | 571 | 2131 | 7953 | |
| 1 | 7 | 71 | 769 | 8449 | 93127 | 1027207 | | |
| 1 | 18 | 539 | 17753 | 603126 | 20721019 | | | |
| 1 | 47 | 4271 | 434657 | 46069729 | | | | |
| 1 | 123 | 34276 | 10894561 | | | | | |
| 1 | 322 | 276119 | | | | | | |
| 1 | 843 | | | | | | | |
| 1 | | | | | | | | |
A103997 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 3 | 11 | 41 | 153 | 571 | 2131 | 7953 |
| | 1 | 7 | 71 | 769 | 8449 | 93127 | 1027207 |
| | | 1 | 18 | 539 | 17753 | 603126 | 20721019 |
| | | | 1 | 47 | 4271 | 434657 | 46069729 |
| | | | | 1 | 123 | 34276 | 10894561 |
| | | | | | 1 | 322 | 276119 |
| | | | | | | 1 | 843 |
| | | | | | | | 1 |
|
