A200893 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 0 | | 1 |
| | | | | | | 0 | | 1 | | 0 |
| | | | | | 0 | | 1 | | 1 | | 4 |
| | | | | 0 | | 1 | | 1 | | 14 | | 42 |
| | | | 0 | | 1 | | 3 | | 63 | | 843 | | 9050 |
| | | 0 | | 1 | | 3 | | 224 | | 7506 | | 342743 | | 6965359 |
| | 0 | | 1 | | 8 | | 1022 | | 71542 | | 6971973 |
|
A200893 as a square array
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 1 | 3 | 3 | 8
| | 4 | 14 | 63 | 224 | 1022
| | 42 | 843 | 7506 | 71542
| | 9050 | 342743 | 6971973
| | 6965359
|
A200893 as an upper right triangle
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 0 | 1 | 1 | 3 | 3 | 8
| | | | 4 | 14 | 63 | 224 | 1022
| | | | | 42 | 843 | 7506 | 71542
| | | | | | 9050 | 342743 | 6971973
| | | | | | | 6965359
| | | | | | |
|
|
