A299821 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | 1 | | 13 | | 13 | | 1 |
| | | | | | | 1 | | 42 | | 39 | | 42 | | 1 |
| | | | | | 1 | | 127 | | 202 | | 202 | | 127 | | 1 |
| | | | | 1 | | 389 | | 894 | | 2101 | | 894 | | 389 | | 1 |
| | | | 1 | | 1192 | | 4507 | | 18101 | | 18101 | | 4507 | | 1192 | | 1 |
| | | 1 | | 3645 | | 22684 | | 176353 | | 302780 | | 176353 | | 22684 | | 3645 | | 1 |
| | 1 | | 11161 | | 116651 | | 1735393 | | 5678641 | | 5678641 |
|
A299821 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 42 | 127 | 389 | 1192 | 3645 | 11161
| | 1 | 13 | 39 | 202 | 894 | 4507 | 22684 | 116651
| | 1 | 42 | 202 | 2101 | 18101 | 176353 | 1735393
| | 1 | 127 | 894 | 18101 | 302780 | 5678641
| | 1 | 389 | 4507 | 176353 | 5678641
| | 1 | 1192 | 22684
| | 1 | 3645
| | 1
|
A299821 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 42 | 127 | 389 | 1192 | 3645 | 11161
| | | 1 | 13 | 39 | 202 | 894 | 4507 | 22684 | 116651
| | | | 1 | 42 | 202 | 2101 | 18101 | 176353 | 1735393
| | | | | 1 | 127 | 894 | 18101 | 302780 | 5678641
| | | | | | 1 | 389 | 4507 | 176353 | 5678641
| | | | | | | 1 | 1192 | 22684
| | | | | | | | 1 | 3645
| | | | | | | | | 1
| | | | | | | | |
|
|
