A298484 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 2 | | 2 |
| | | | | | | 3 | | 6 | | 6 |
| | | | | | 4 | | 12 | | 42 | | 42 |
| | | | | 5 | | 20 | | 156 | | 1806 | | 1806 |
| | | | 6 | | 30 | | 420 | | 24492 | | 3263442 | | 3263442 |
| | | 7 | | 42 | | 930 | | 176820 | | 599882556 | | 10650056950806 | | 10650056950806 |
| | 8 | | 56 | | 1806 | | 865830 | | 31265489220 | | 359859081592975692 | | 113423713055421844361000442 | | 113423713055421844361000442 |
|
A298484 as a square array
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
| 2 | 6 | 12 | 20 | 30 | 42 | 56
| 6 | 42 | 156 | 420 | 930 | 1806
| 42 | 1806 | 24492 | 176820 | 865830
| 1806 | 3263442 | 599882556 | 31265489220
| 3263442 | 10650056950806 | 359859081592975692
| 10650056950806 | 113423713055421844361000442
| 113423713055421844361000442
|
A298484 as an upper right triangle
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
| | 2 | 6 | 12 | 20 | 30 | 42 | 56
| | | 6 | 42 | 156 | 420 | 930 | 1806
| | | | 42 | 1806 | 24492 | 176820 | 865830
| | | | | 1806 | 3263442 | 599882556 | 31265489220
| | | | | | 3263442 | 10650056950806 | 359859081592975692
| | | | | | | 10650056950806 | 113423713055421844361000442
| | | | | | | | 113423713055421844361000442
|
|