A185209 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | 2 | | 1 | | 0 |
| | | | | | | | | 5 | | 8 | | 0 | | 0 |
| | | | | | | | 14 | | 49 | | 8 | | 0 | | 0 |
| | | | | | | 42 | | 268 | | 151 | | 0 | | 0 | | 0 |
| | | | | | 132 | | 1375 | | 1760 | | 180 | | 0 | | 0 | | 0 |
| | | | | 429 | | 6768 | | 16184 | | 5712 | | 0 | | 0 | | 0 | | 0 |
| | | | 1430 | | 32354 | | 128578 | | 102917 | | 8064 | | 0 | | 0 | | 0 | | 0 |
| | | 4862 | | 151336 | | 923799 | | 1379384 | | 369944 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | 16796 | | 696027 | | 6164460 | | 15283308 | | 9233512 | | 604800 | | 0 |
|
A185209 as a square array
1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 | 16796
| 0 | 1 | 8 | 49 | 268 | 1375 | 6768 | 32354 | 151336 | 696027
| 0 | 0 | 8 | 151 | 1760 | 16184 | 128578 | 923799 | 6164460
| 0 | 0 | 0 | 180 | 5712 | 102917 | 1379384 | 15283308
| 0 | 0 | 0 | 0 | 8064 | 369944 | 9233512
| 0 | 0 | 0 | 0 | 0 | 604800
| 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0
| 0 | 0
| 0
|
A185209 as an upper right triangle
1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 | 16796
| | 0 | 1 | 8 | 49 | 268 | 1375 | 6768 | 32354 | 151336 | 696027
| | | 0 | 0 | 8 | 151 | 1760 | 16184 | 128578 | 923799 | 6164460
| | | | 0 | 0 | 0 | 180 | 5712 | 102917 | 1379384 | 15283308
| | | | | 0 | 0 | 0 | 0 | 8064 | 369944 | 9233512
| | | | | | 0 | 0 | 0 | 0 | 0 | 604800
| | | | | | | 0 | 0 | 0 | 0 | 0
| | | | | | | | 0 | 0 | 0
| | | | | | | | | 0 | 0
| | | | | | | | | | 0
| | | | | | | | | |
|
|