A168315 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | 0 | | 2 | | 1 |
| | | | | | | | | 0 | | 0 | | 2 | | 3 |
| | | | | | | | 0 | | 0 | | 2 | | 6 | | 5 |
| | | | | | | 0 | | 0 | | 0 | | 6 | | 10 | | 13 |
| | | | | | 0 | | 0 | | 0 | | 6 | | 10 | | 26 | | 29 |
| | | | | 0 | | 0 | | 0 | | 0 | | 10 | | 26 | | 58 | | 71 |
| | | | 0 | | 0 | | 0 | | 0 | | 10 | | 26 | | 58 | | 142 | | 165 |
| | | 0 | | 0 | | 0 | | 0 | | 0 | | 26 | | 58 | | 142 | | 330 | | 401 |
| | 0 | | 0 | | 0 | | 0 | | 0 | | 26 | | 58 | | 142 | | 330 | | 802 | | 957 |
|
A168315 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0
| 3 | 6 | 6 | 6 | 0 | 0 | 0 | 0
| 5 | 10 | 10 | 10 | 10 | 0 | 0
| 13 | 26 | 26 | 26 | 26 | 26
| 29 | 58 | 58 | 58 | 58
| 71 | 142 | 142 | 142
| 165 | 330 | 330
| 401 | 802
| 957
|
A168315 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0
| | | | 3 | 6 | 6 | 6 | 0 | 0 | 0 | 0
| | | | | 5 | 10 | 10 | 10 | 10 | 0 | 0
| | | | | | 13 | 26 | 26 | 26 | 26 | 26
| | | | | | | 29 | 58 | 58 | 58 | 58
| | | | | | | | 71 | 142 | 142 | 142
| | | | | | | | | 165 | 330 | 330
| | | | | | | | | | 401 | 802
| | | | | | | | | | | 957
|
|