A168647 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 11 | | 1 |
| | | | | | | | 1 | | 21 | | 111 | | 1 |
| | | | | | | 1 | | 31 | | 321 | | 1111 | | 1 |
| | | | | | 1 | | 41 | | 631 | | 4321 | | 11111 | | 1 |
| | | | | 1 | | 51 | | 51 | | 731 | | 54321 | | 111111 | | 1 |
| | | | 1 | | 61 | | 561 | | 251 | | 51731 | | 654321 | | 1111111 | | 1 |
| | | 1 | | 71 | | 181 | | 5861 | | 53251 | | 171731 | | 7654321 | | 11111111 | | 1 |
| | 1 | | 81 | | 891 | | 6681 | | 2961 | | 604251 | | 8371731 | | 87654321 | | 111111111 | | 1 |
|
A168647 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 11 | 21 | 31 | 41 | 51 | 61 | 71 | 81
| | 1 | 111 | 321 | 631 | 51 | 561 | 181 | 891
| | 1 | 1111 | 4321 | 731 | 251 | 5861 | 6681
| | 1 | 11111 | 54321 | 51731 | 53251 | 2961
| | 1 | 111111 | 654321 | 171731 | 604251
| | 1 | 1111111 | 7654321 | 8371731
| | 1 | 11111111 | 87654321
| | 1 | 111111111
| | 1
|
A168647 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 11 | 21 | 31 | 41 | 51 | 61 | 71 | 81
| | | 1 | 111 | 321 | 631 | 51 | 561 | 181 | 891
| | | | 1 | 1111 | 4321 | 731 | 251 | 5861 | 6681
| | | | | 1 | 11111 | 54321 | 51731 | 53251 | 2961
| | | | | | 1 | 111111 | 654321 | 171731 | 604251
| | | | | | | 1 | 1111111 | 7654321 | 8371731
| | | | | | | | 1 | 11111111 | 87654321
| | | | | | | | | 1 | 111111111
| | | | | | | | | | 1
|
|
