A173503 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 1 | | 1 |
| | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | 1 | | 21 | | 63 | | 21 | | 1 |
| | | | | 1 | | 315 | | 6615 | | 6615 | | 315 | | 1 |
| | | | 1 | | 9765 | | 3075975 | | 21531825 | | 3075975 | | 9765 | | 1 |
| | | 1 | | 615195 | | 6007379175 | | 630774813375 | | 630774813375 | | 6007379175 | | 615195 | | 1 |
| | 1 | | 78129765 | | 48065040779175 | | 156451707736214625 | | 2346775616043219375 | | 156451707736214625 | | 48065040779175 | | 78129765 | | 1 |
|
A173503 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 3 | 21 | 315 | 9765 | 615195 | 78129765
| | 1 | 3 | 63 | 6615 | 3075975 | 6007379175 | 48065040779175
| | 1 | 21 | 6615 | 21531825 | 630774813375 | 156451707736214625
| | 1 | 315 | 3075975 | 630774813375 | 2346775616043219375
| | 1 | 9765 | 6007379175 | 156451707736214625
| | 1 | 615195 | 48065040779175
| | 1 | 78129765
| | 1
|
A173503 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 3 | 21 | 315 | 9765 | 615195 | 78129765
| | | 1 | 3 | 63 | 6615 | 3075975 | 6007379175 | 48065040779175
| | | | 1 | 21 | 6615 | 21531825 | 630774813375 | 156451707736214625
| | | | | 1 | 315 | 3075975 | 630774813375 | 2346775616043219375
| | | | | | 1 | 9765 | 6007379175 | 156451707736214625
| | | | | | | 1 | 615195 | 48065040779175
| | | | | | | | 1 | 78129765
| | | | | | | | | 1
|
|
