A248830 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 3 | | 1 |
| | | | | | | | | | 3 | | 9 | | 1 |
| | | | | | | | | 3 | | 45 | | 19 | | 1 |
| | | | | | | | 3 | | 173 | | 211 | | 33 | | 1 |
| | | | | | | 3 | | 573 | | 1811 | | 633 | | 51 | | 1 |
| | | | | | 3 | | 1725 | | 13331 | | 9273 | | 1491 | | 73 | | 1 |
| | | | | 3 | | 4861 | | 88595 | | 115113 | | 32851 | | 3013 | | 99 | | 1 |
| | | | 3 | | 13053 | | 547347 | | 1276329 | | 606291 | | 92613 | | 5475 | | 129 | | 1 |
| | | 3 | | 33789 | | 3201555 | | 13033641 | | 9896019 | | 2360613 | | 223203 | | 9201 | | 163 | | 1 |
| | 3 | | 84989 | | 17947155 | | 125008041 | | 147521619 | | 52760613 | | 7480803 | | 479601 | | 14563 | | 201 | | 1 |
|
A248830 as a square array
| 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 9 | 45 | 173 | 573 | 1725 | 4861 | 13053 | 33789 | 84989
| | 1 | 19 | 211 | 1811 | 13331 | 88595 | 547347 | 3201555 | 17947155
| | 1 | 33 | 633 | 9273 | 115113 | 1276329 | 13033641 | 125008041
| | 1 | 51 | 1491 | 32851 | 606291 | 9896019 | 147521619
| | 1 | 73 | 3013 | 92613 | 2360613 | 52760613
| | 1 | 99 | 5475 | 223203 | 7480803
| | 1 | 129 | 9201 | 479601
| | 1 | 163 | 14563
| | 1 | 201
| | 1
|
A248830 as an upper right triangle
| 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 9 | 45 | 173 | 573 | 1725 | 4861 | 13053 | 33789 | 84989
| | | 1 | 19 | 211 | 1811 | 13331 | 88595 | 547347 | 3201555 | 17947155
| | | | 1 | 33 | 633 | 9273 | 115113 | 1276329 | 13033641 | 125008041
| | | | | 1 | 51 | 1491 | 32851 | 606291 | 9896019 | 147521619
| | | | | | 1 | 73 | 3013 | 92613 | 2360613 | 52760613
| | | | | | | 1 | 99 | 5475 | 223203 | 7480803
| | | | | | | | 1 | 129 | 9201 | 479601
| | | | | | | | | 1 | 163 | 14563
| | | | | | | | | | 1 | 201
| | | | | | | | | | | 1
|
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