A156869 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 3 | | 1 | | 1 |
| | | | | | 14 | | 4 | | 1 | | 1 |
| | | | | 147 | | 17 | | 4 | | 1 | | 1 |
| | | | 3462 | | 164 | | 18 | | 4 | | 1 | | 1 |
| | | 294314 | | 3627 | | 167 | | 18 | | 4 | | 1 | | 1 |
| | 159330691 | | 297976 | | 3644 | | 168 | | 18 | | 4 | | 1 | | 1 |
|
A156869 as a square array
| 1 | 1 | 3 | 14 | 147 | 3462 | 294314 | 159330691
| | 1 | 1 | 4 | 17 | 164 | 3627 | 297976
| | 1 | 1 | 4 | 18 | 167 | 3644
| | 1 | 1 | 4 | 18 | 168
| | 1 | 1 | 4 | 18
| | 1 | 1 | 4
| | 1 | 1
| | 1
|
A156869 as an upper right triangle
| 1 | 1 | 3 | 14 | 147 | 3462 | 294314 | 159330691
| | 1 | 1 | 4 | 17 | 164 | 3627 | 297976
| | | 1 | 1 | 4 | 18 | 167 | 3644
| | | | 1 | 1 | 4 | 18 | 168
| | | | | 1 | 1 | 4 | 18
| | | | | | 1 | 1 | 4
| | | | | | | 1 | 1
| | | | | | | | 1
|
|
