A181654 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 2 | | 1 | | 1 |
| | | | | | | | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | 6 | | 4 | | 2 | | 1 | | 1 |
| | | | | | | 9 | | 6 | | 3 | | 2 | | 1 | | 1 |
| | | | | | 18 | | 12 | | 6 | | 4 | | 2 | | 1 | | 1 |
| | | | | 27 | | 18 | | 9 | | 6 | | 3 | | 2 | | 1 | | 1 |
| | | | 54 | | 36 | | 18 | | 12 | | 6 | | 4 | | 2 | | 1 | | 1 |
| | | 81 | | 54 | | 27 | | 18 | | 9 | | 6 | | 3 | | 2 | | 1 | | 1 |
| | 162 | | 108 | | 54 | | 36 | | 18 | | 12 | | 6 | | 4 | | 2 | | 1 | | 1 |
|
A181654 as a square array
| 1 | 1 | 2 | 3 | 6 | 9 | 18 | 27 | 54 | 81 | 162
| | 1 | 1 | 2 | 4 | 6 | 12 | 18 | 36 | 54 | 108
| | 1 | 1 | 2 | 3 | 6 | 9 | 18 | 27 | 54
| | 1 | 1 | 2 | 4 | 6 | 12 | 18 | 36
| | 1 | 1 | 2 | 3 | 6 | 9 | 18
| | 1 | 1 | 2 | 4 | 6 | 12
| | 1 | 1 | 2 | 3 | 6
| | 1 | 1 | 2 | 4
| | 1 | 1 | 2
| | 1 | 1
| | 1
|
A181654 as an upper right triangle
| 1 | 1 | 2 | 3 | 6 | 9 | 18 | 27 | 54 | 81 | 162
| | 1 | 1 | 2 | 4 | 6 | 12 | 18 | 36 | 54 | 108
| | | 1 | 1 | 2 | 3 | 6 | 9 | 18 | 27 | 54
| | | | 1 | 1 | 2 | 4 | 6 | 12 | 18 | 36
| | | | | 1 | 1 | 2 | 3 | 6 | 9 | 18
| | | | | | 1 | 1 | 2 | 4 | 6 | 12
| | | | | | | 1 | 1 | 2 | 3 | 6
| | | | | | | | 1 | 1 | 2 | 4
| | | | | | | | | 1 | 1 | 2
| | | | | | | | | | 1 | 1
| | | | | | | | | | | 1
|
|
