A178473 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 2 | | 1 |
| | | | | | 1 | | 273 | | 273 | | 1 |
| | | | | 1 | | 68 | | 9282 | | 68 | | 1 |
| | | | 1 | | 55 | | 1870 | | 1870 | | 55 | | 1 |
| | | 1 | | 546 | | 15015 | | 3740 | | 15015 | | 546 | | 1 |
| | 1 | | 29 | | 7917 | | 1595 | | 1595 | | 7917 | | 29 | | 1 |
|
A178473 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 2 | 273 | 68 | 55 | 546 | 29
| 1 | 273 | 9282 | 1870 | 15015 | 7917
| 1 | 68 | 1870 | 3740 | 1595
| 1 | 55 | 15015 | 1595
| 1 | 546 | 7917
| 1 | 29
| 1
|
A178473 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 273 | 68 | 55 | 546 | 29
| | | 1 | 273 | 9282 | 1870 | 15015 | 7917
| | | | 1 | 68 | 1870 | 3740 | 1595
| | | | | 1 | 55 | 15015 | 1595
| | | | | | 1 | 546 | 7917
| | | | | | | 1 | 29
| | | | | | | | 1
|
|