A342972 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 3 | | 1 |
| | | | | | | 1 | | 10 | | 10 | | 1 |
| | | | | | 1 | | 35 | | 105 | | 35 | | 1 |
| | | | | 1 | | 126 | | 1176 | | 1176 | | 126 | | 1 |
| | | | 1 | | 462 | | 13860 | | 41580 | | 13860 | | 462 | | 1 |
| | | 1 | | 1716 | | 169884 | | 1557270 | | 1557270 | | 169884 | | 1716 | | 1 |
| | 1 | | 6435 | | 2147145 | | 61408347 | | 184225041 | | 61408347 | | 2147145 | | 6435 | | 1 |
|
A342972 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435
| | 1 | 10 | 105 | 1176 | 13860 | 169884 | 2147145
| | 1 | 35 | 1176 | 41580 | 1557270 | 61408347
| | 1 | 126 | 13860 | 1557270 | 184225041
| | 1 | 462 | 169884 | 61408347
| | 1 | 1716 | 2147145
| | 1 | 6435
| | 1
|
A342972 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435
| | | 1 | 10 | 105 | 1176 | 13860 | 169884 | 2147145
| | | | 1 | 35 | 1176 | 41580 | 1557270 | 61408347
| | | | | 1 | 126 | 13860 | 1557270 | 184225041
| | | | | | 1 | 462 | 169884 | 61408347
| | | | | | | 1 | 1716 | 2147145
| | | | | | | | 1 | 6435
| | | | | | | | | 1
|
|
