A106187 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | 6 | | 2 | | 1 |
| | | | | | | | | 20 | | 6 | | 2 | | 1 |
| | | | | | | | 70 | | 20 | | 6 | | 2 | | 1 |
| | | | | | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
| | | | | | 924 | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
| | | | | 3432 | | 924 | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
| | | | 12870 | | 3432 | | 924 | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
| | | 48620 | | 12870 | | 3432 | | 924 | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
| | 184756 | | 48620 | | 12870 | | 3432 | | 924 | | 252 | | 70 | | 20 | | 6 | | 2 | | 1 |
|
A106187 as a square array
1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620 | 184756
| 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620
| 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870
| 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432
| 1 | 2 | 6 | 20 | 70 | 252 | 924
| 1 | 2 | 6 | 20 | 70 | 252
| 1 | 2 | 6 | 20 | 70
| 1 | 2 | 6 | 20
| 1 | 2 | 6
| 1 | 2
| 1
|
A106187 as an upper right triangle
1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620 | 184756
| | 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620
| | | 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870
| | | | 1 | 2 | 6 | 20 | 70 | 252 | 924 | 3432
| | | | | 1 | 2 | 6 | 20 | 70 | 252 | 924
| | | | | | 1 | 2 | 6 | 20 | 70 | 252
| | | | | | | 1 | 2 | 6 | 20 | 70
| | | | | | | | 1 | 2 | 6 | 20
| | | | | | | | | 1 | 2 | 6
| | | | | | | | | | 1 | 2
| | | | | | | | | | | 1
|
|