A340798 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 0 |
| | | | | | | | 1 | | 1 | | 0 |
| | | | | | | 1 | | 2 | | 3 | | 0 |
| | | | | | 1 | | 3 | | 10 | | 25 | | 0 |
| | | | | 1 | | 4 | | 21 | | 122 | | 543 | | 0 |
| | | | 1 | | 5 | | 36 | | 339 | | 3550 | | 29281 | | 0 |
| | | 1 | | 6 | | 55 | | 724 | | 12477 | | 241442 | | 3781503 | | 0 |
| | 1 | | 7 | | 78 | | 1325 | | 32316 | | 1035843 | | 37717630 | | 1138779265 | | 0 |
|
A340798 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
| | 0 | 3 | 10 | 21 | 36 | 55 | 78
| | 0 | 25 | 122 | 339 | 724 | 1325
| | 0 | 543 | 3550 | 12477 | 32316
| | 0 | 29281 | 241442 | 1035843
| | 0 | 3781503 | 37717630
| | 0 | 1138779265
| | 0
|
A340798 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
| | | 0 | 3 | 10 | 21 | 36 | 55 | 78
| | | | 0 | 25 | 122 | 339 | 724 | 1325
| | | | | 0 | 543 | 3550 | 12477 | 32316
| | | | | | 0 | 29281 | 241442 | 1035843
| | | | | | | 0 | 3781503 | 37717630
| | | | | | | | 0 | 1138779265
| | | | | | | | | 0
|
|
