A173210 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 4 | | 4 | | 1 |
| | | | | | | 84 | | 36 | | 9 | | 1 |
| | | | | | 4584 | | 1056 | | 144 | | 16 | | 1 |
| | | | | 469440 | | 73200 | | 6000 | | 400 | | 25 | | 1 |
| | | | 76982940 | | 9179640 | | 537300 | | 22800 | | 900 | | 36 | | 1 |
| | | 18391183020 | | 1794887640 | | 83163780 | | 2598960 | | 67620 | | 1764 | | 49 | | 1 |
| | 6011375932800 | | 500614248960 | | 19475406720 |
|
A173210 as a square array
| 1 | 1 | 4 | 84 | 4584 | 469440 | 76982940 | 18391183020 | 6011375932800
| | 1 | 4 | 36 | 1056 | 73200 | 9179640 | 1794887640 | 500614248960
| | 1 | 9 | 144 | 6000 | 537300 | 83163780 | 19475406720
| | 1 | 16 | 400 | 22800 | 2598960
| | 1 | 25 | 900 | 67620
| | 1 | 36 | 1764
| | 1 | 49
| | 1
|
A173210 as an upper right triangle
| 1 | 1 | 4 | 84 | 4584 | 469440 | 76982940 | 18391183020 | 6011375932800
| | 1 | 4 | 36 | 1056 | 73200 | 9179640 | 1794887640 | 500614248960
| | | 1 | 9 | 144 | 6000 | 537300 | 83163780 | 19475406720
| | | | 1 | 16 | 400 | 22800 | 2598960
| | | | | 1 | 25 | 900 | 67620
| | | | | | 1 | 36 | 1764
| | | | | | | 1 | 49
| | | | | | | | 1
| | | | | | | |
|
|
