A122890 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | 0 | | 0 | | 2 |
| | | | | | | | | 0 | | 0 | | 1 | | 5 |
| | | | | | | | 0 | | 0 | | 0 | | 10 | | 14 |
| | | | | | | 0 | | 0 | | 0 | | 8 | | 70 | | 42 |
| | | | | | 0 | | 0 | | 0 | | 4 | | 160 | | 424 | | 132 |
| | | | | 0 | | 0 | | 0 | | 1 | | 250 | | 1978 | | 2382 | | 429 |
| | | | 0 | | 0 | | 0 | | 0 | | 302 | | 6276 | | 19508 | | 12804 | | 1430 |
| | | 0 | | 0 | | 0 | | 0 | | 298 | | 15674 | | 106492 | | 168608 | | 66946 | | 4862 |
| | 0 | | 0 | | 0 | | 0 | | 244 | | 33148 | | 451948 | | 1445208 | | 1337684 | | 343772 | | 16796 |
|
A122890 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 5 | 10 | 8 | 4 | 1 | 0 | 0 | 0
| 14 | 70 | 160 | 250 | 302 | 298 | 244
| 42 | 424 | 1978 | 6276 | 15674 | 33148
| 132 | 2382 | 19508 | 106492 | 451948
| 429 | 12804 | 168608 | 1445208
| 1430 | 66946 | 1337684
| 4862 | 343772
| 16796
|
A122890 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | | 5 | 10 | 8 | 4 | 1 | 0 | 0 | 0
| | | | | 14 | 70 | 160 | 250 | 302 | 298 | 244
| | | | | | 42 | 424 | 1978 | 6276 | 15674 | 33148
| | | | | | | 132 | 2382 | 19508 | 106492 | 451948
| | | | | | | | 429 | 12804 | 168608 | 1445208
| | | | | | | | | 1430 | 66946 | 1337684
| | | | | | | | | | 4862 | 343772
| | | | | | | | | | | 16796
|
|