A143774 as a triangular array
| | | | | | | 1 |
| | | | | | | 1 | | 1 |
| | | | | | 1 | | 3 | | 2 |
| | | | | 1 | | 7 | | 14 | | 6 |
| | | | 1 | | 15 | | 70 | | 70 | | 28 |
| | | 1 | | 31 | | 310 | | 930 | | 868 | | 204 |
| | 1 | | 63 | | 1302 | | 8370 | | 18228 | | 12852 | | 2344 |
|
A143774 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 15 | 31 | 63
| | 2 | 14 | 70 | 310 | 1302
| | 6 | 70 | 930 | 8370
| | 28 | 868 | 18228
| | 204 | 12852
| | 2344
|
A143774 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 15 | 31 | 63
| | | 2 | 14 | 70 | 310 | 1302
| | | | 6 | 70 | 930 | 8370
| | | | | 28 | 868 | 18228
| | | | | | 204 | 12852
| | | | | | | 2344
|
|
