A080510 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 9 | | 4 | | 1 |
| | | | | | | | 1 | | 25 | | 20 | | 5 | | 1 |
| | | | | | | 1 | | 75 | | 90 | | 30 | | 6 | | 1 |
| | | | | | 1 | | 231 | | 420 | | 175 | | 42 | | 7 | | 1 |
| | | | | 1 | | 763 | | 2016 | | 1015 | | 280 | | 56 | | 8 | | 1 |
| | | | 1 | | 2619 | | 10024 | | 6111 | | 1890 | | 420 | | 72 | | 9 | | 1 |
| | | 1 | | 9495 | | 51640 | | 38010 | | 12978 | | 3150 | | 600 | | 90 | | 10 | | 1 |
| | 1 | | 35695 | | 276980 | | 244035 | | 91938 | | 24024 | | 4950 | | 825 | | 110 | | 11 | | 1 |
|
A080510 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 9 | 25 | 75 | 231 | 763 | 2619 | 9495 | 35695
| | 1 | 4 | 20 | 90 | 420 | 2016 | 10024 | 51640 | 276980
| | 1 | 5 | 30 | 175 | 1015 | 6111 | 38010 | 244035
| | 1 | 6 | 42 | 280 | 1890 | 12978 | 91938
| | 1 | 7 | 56 | 420 | 3150 | 24024
| | 1 | 8 | 72 | 600 | 4950
| | 1 | 9 | 90 | 825
| | 1 | 10 | 110
| | 1 | 11
| | 1
|
A080510 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 9 | 25 | 75 | 231 | 763 | 2619 | 9495 | 35695
| | | 1 | 4 | 20 | 90 | 420 | 2016 | 10024 | 51640 | 276980
| | | | 1 | 5 | 30 | 175 | 1015 | 6111 | 38010 | 244035
| | | | | 1 | 6 | 42 | 280 | 1890 | 12978 | 91938
| | | | | | 1 | 7 | 56 | 420 | 3150 | 24024
| | | | | | | 1 | 8 | 72 | 600 | 4950
| | | | | | | | 1 | 9 | 90 | 825
| | | | | | | | | 1 | 10 | 110
| | | | | | | | | | 1 | 11
| | | | | | | | | | | 1
|
|
