A250002 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 0 | | 0 |
| | | | | | | | | | | 0 | | 0 | | 0 |
| | | | | | | | | | 0 | | 0 | | 0 | | 0 |
| | | | | | | | | 0 | | 0 | | 0 | | 0 | | 0 |
| | | | | | | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | | | | | | 0 | | 0 | | 1 | | 2 | | 1 | | 0 | | 0 |
| | | | | | 0 | | 0 | | 2 | | 8 | | 8 | | 2 | | 0 | | 0 |
| | | | | 0 | | 0 | | 4 | | 21 | | 36 | | 21 | | 4 | | 0 | | 0 |
| | | | 0 | | 0 | | 7 | | 47 | | 114 | | 114 | | 47 | | 7 | | 0 | | 0 |
| | | 0 | | 0 | | 11 | | 93 | | 306 | | 453 | | 306 | | 93 | | 11 | | 0 | | 0 |
| | 0 | | 0 | | 16 | | 168 | | 730 | | 1526 | | 1526 | | 730 | | 168 | | 16 | | 0 | | 0 |
|
A250002 as a square array
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0 | 1 | 2 | 4 | 7 | 11 | 16
| 0 | 0 | 0 | 2 | 8 | 21 | 47 | 93 | 168
| 0 | 0 | 1 | 8 | 36 | 114 | 306 | 730
| 0 | 0 | 2 | 21 | 114 | 453 | 1526
| 0 | 0 | 4 | 47 | 306 | 1526
| 0 | 0 | 7 | 93 | 730
| 0 | 0 | 11 | 168
| 0 | 0 | 16
| 0 | 0
| 0
|
A250002 as an upper right triangle
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 7 | 11 | 16
| | | | 0 | 0 | 0 | 2 | 8 | 21 | 47 | 93 | 168
| | | | | 0 | 0 | 1 | 8 | 36 | 114 | 306 | 730
| | | | | | 0 | 0 | 2 | 21 | 114 | 453 | 1526
| | | | | | | 0 | 0 | 4 | 47 | 306 | 1526
| | | | | | | | 0 | 0 | 7 | 93 | 730
| | | | | | | | | 0 | 0 | 11 | 168
| | | | | | | | | | 0 | 0 | 16
| | | | | | | | | | | 0 | 0
| | | | | | | | | | | | 0
|
|