A330784 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 3 | | 2 |
| | | | | | 1 | | 5 | | 9 | | 5 |
| | | | | 1 | | 9 | | 28 | | 36 | | 16 |
| | | | 1 | | 13 | | 69 | | 160 | | 164 | | 61 |
| | | 1 | | 20 | | 160 | | 580 | | 1022 | | 855 | | 272 |
| | 1 | | 28 | | 337 | | 1837 | | 4996 | | 7072 | | 4988 | | 1385 |
|
A330784 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 5 | 9 | 13 | 20 | 28
| | 2 | 9 | 28 | 69 | 160 | 337
| | 5 | 36 | 160 | 580 | 1837
| | 16 | 164 | 1022 | 4996
| | 61 | 855 | 7072
| | 272 | 4988
| | 1385
|
A330784 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 5 | 9 | 13 | 20 | 28
| | | 2 | 9 | 28 | 69 | 160 | 337
| | | | 5 | 36 | 160 | 580 | 1837
| | | | | 16 | 164 | 1022 | 4996
| | | | | | 61 | 855 | 7072
| | | | | | | 272 | 4988
| | | | | | | | 1385
|
|
