A210697 as a triangular array
| | | | | | | 1 |
| | | | | | | 1 | | 1 |
| | | | | | 2 | | 5 | | 2 |
| | | | | 9 | | 36 | | 36 | | 9 |
| | | | 90 | | 495 | | 855 | | 495 | | 90 |
| | | 2025 | | 14175 | | 34830 | | 34830 | | 14175 | | 2025 |
| | 102060 | | 867510 | | 2776032 | | 4082400 | | 2776032 | | 867510 | | 102060 |
|
A210697 as a square array
| 1 | 1 | 2 | 9 | 90 | 2025 | 102060
| | 1 | 5 | 36 | 495 | 14175 | 867510
| | 2 | 36 | 855 | 34830 | 2776032
| | 9 | 495 | 34830 | 4082400
| | 90 | 14175 | 2776032
| | 2025 | 867510
| | 102060
|
A210697 as an upper right triangle
| 1 | 1 | 2 | 9 | 90 | 2025 | 102060
| | 1 | 5 | 36 | 495 | 14175 | 867510
| | | 2 | 36 | 855 | 34830 | 2776032
| | | | 9 | 495 | 34830 | 4082400
| | | | | 90 | 14175 | 2776032
| | | | | | 2025 | 867510
| | | | | | | 102060
|
|
