A155797 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 0 |
| | | | | | | | | | 0 | | 0 | | 0 |
| | | | | | | | | 0 | | 0 | | 0 | | 0 |
| | | | | | | | 0 | | 0 | | 1 | | 0 | | 0 |
| | | | | | | 0 | | 0 | | 6 | | 6 | | 0 | | 0 |
| | | | | | 0 | | 0 | | 28 | | 84 | | 28 | | 0 | | 0 |
| | | | | 0 | | 0 | | 120 | | 792 | | 792 | | 120 | | 0 | | 0 |
| | | | 0 | | 0 | | 495 | | 6435 | | 12870 | | 6435 | | 495 | | 0 | | 0 |
| | | 0 | | 0 | | 2002 | | 48620 | | 167960 | | 167960 | | 48620 | | 2002 | | 0 | | 0 |
| | 0 | | 0 | | 8008 | | 352716 | | 1961256 | | 3268760 | | 1961256 | | 352716 |
|
A155797 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 1 | 6 | 28 | 120 | 495 | 2002 | 8008
| 0 | 0 | 6 | 84 | 792 | 6435 | 48620 | 352716
| 0 | 0 | 28 | 792 | 12870 | 167960 | 1961256
| 0 | 0 | 120 | 6435 | 167960 | 3268760
| 0 | 0 | 495 | 48620 | 1961256
| 0 | 0 | 2002 | 352716
| 0 | 0
| 0
|
A155797 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 0 | 0 | 1 | 6 | 28 | 120 | 495 | 2002 | 8008
| | | | 0 | 0 | 6 | 84 | 792 | 6435 | 48620 | 352716
| | | | | 0 | 0 | 28 | 792 | 12870 | 167960 | 1961256
| | | | | | 0 | 0 | 120 | 6435 | 167960 | 3268760
| | | | | | | 0 | 0 | 495 | 48620 | 1961256
| | | | | | | | 0 | 0 | 2002 | 352716
| | | | | | | | | 0 | 0
| | | | | | | | | | 0
| | | | | | | | | |
|
|