A173118 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | 1 | | 5 | | 5 | | 1 |
| | | | | | | | 1 | | 6 | | 10 | | 6 | | 1 |
| | | | | | | 1 | | 7 | | 20 | | 20 | | 7 | | 1 |
| | | | | | 1 | | 8 | | 27 | | 40 | | 27 | | 8 | | 1 |
| | | | | 1 | | 9 | | 35 | | 75 | | 75 | | 35 | | 9 | | 1 |
| | | | 1 | | 10 | | 44 | | 110 | | 150 | | 110 | | 44 | | 10 | | 1 |
| | | 1 | | 11 | | 54 | | 154 | | 276 | | 276 | | 154 | | 54 | | 11 | | 1 |
| | 1 | | 12 | | 65 | | 208 | | 430 | | 552 | | 430 | | 208 | | 65 | | 12 | | 1 |
|
A173118 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| | 1 | 5 | 10 | 20 | 27 | 35 | 44 | 54 | 65
| | 1 | 6 | 20 | 40 | 75 | 110 | 154 | 208
| | 1 | 7 | 27 | 75 | 150 | 276 | 430
| | 1 | 8 | 35 | 110 | 276 | 552
| | 1 | 9 | 44 | 154 | 430
| | 1 | 10 | 54 | 208
| | 1 | 11 | 65
| | 1 | 12
| | 1
|
A173118 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
| | | 1 | 5 | 10 | 20 | 27 | 35 | 44 | 54 | 65
| | | | 1 | 6 | 20 | 40 | 75 | 110 | 154 | 208
| | | | | 1 | 7 | 27 | 75 | 150 | 276 | 430
| | | | | | 1 | 8 | 35 | 110 | 276 | 552
| | | | | | | 1 | 9 | 44 | 154 | 430
| | | | | | | | 1 | 10 | 54 | 208
| | | | | | | | | 1 | 11 | 65
| | | | | | | | | | 1 | 12
| | | | | | | | | | | 1
|
|
