A238123 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | | | 0 | | 3 | | 0 | | 1 |
| | | | | | | | | 0 | | 7 | | 2 | | 0 | | 1 |
| | | | | | | | 0 | | 20 | | 5 | | 0 | | 0 | | 1 |
| | | | | | | 0 | | 56 | | 14 | | 5 | | 0 | | 0 | | 1 |
| | | | | | 0 | | 182 | | 35 | | 14 | | 0 | | 0 | | 0 | | 1 |
| | | | | 0 | | 589 | | 132 | | 28 | | 14 | | 0 | | 0 | | 0 | | 1 |
| | | | 0 | | 2088 | | 399 | | 90 | | 42 | | 0 | | 0 | | 0 | | 0 | | 1 |
| | | 0 | | 7522 | | 1556 | | 285 | | 90 | | 42 | | 0 | | 0 | | 0 | | 0 | | 1 |
| | 0 | | 28820 | | 5346 | | 1232 | | 165 | | 132 | | 0 | | 0 | | 0 | | 0 | | 0 | | 1 |
|
A238123 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 3 | 7 | 20 | 56 | 182 | 589 | 2088 | 7522 | 28820
| 1 | 0 | 2 | 5 | 14 | 35 | 132 | 399 | 1556 | 5346
| 1 | 0 | 0 | 5 | 14 | 28 | 90 | 285 | 1232
| 1 | 0 | 0 | 0 | 14 | 42 | 90 | 165
| 1 | 0 | 0 | 0 | 0 | 42 | 132
| 1 | 0 | 0 | 0 | 0 | 0
| 1 | 0 | 0 | 0 | 0
| 1 | 0 | 0 | 0
| 1 | 0 | 0
| 1 | 0
| 1
|
A238123 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 3 | 7 | 20 | 56 | 182 | 589 | 2088 | 7522 | 28820
| | | 1 | 0 | 2 | 5 | 14 | 35 | 132 | 399 | 1556 | 5346
| | | | 1 | 0 | 0 | 5 | 14 | 28 | 90 | 285 | 1232
| | | | | 1 | 0 | 0 | 0 | 14 | 42 | 90 | 165
| | | | | | 1 | 0 | 0 | 0 | 0 | 42 | 132
| | | | | | | 1 | 0 | 0 | 0 | 0 | 0
| | | | | | | | 1 | 0 | 0 | 0 | 0
| | | | | | | | | 1 | 0 | 0 | 0
| | | | | | | | | | 1 | 0 | 0
| | | | | | | | | | | 1 | 0
| | | | | | | | | | | | 1
|
|