A154983 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 1 | | 4 | | 1 | | | | | | |
| | | | | 1 | | 11 | | 11 | | 1 | | | | | |
| | | | 1 | | 24 | | 70 | | 24 | | 1 | | | | |
| | | 1 | | 49 | | 358 | | 358 | | 49 | | 1 | | | |
| | 1 | | 98 | | 1559 | | 4076 | | 1559 | | 98 | | 1 | | |
| 1 | | 195 | | 6361 | | 40003 | | 40003 | | 6361 | | 195 | | 1 | |
| 1 | | 388 | | 25372 | | 345692 | | 862598 | | 345692 | | 25372 | | 388 | | 1 |
A154983 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 4 | 11 | 24 | 49 | 98 | 195 | 388 | |
| 1 | 11 | 70 | 358 | 1559 | 6361 | 25372 | | |
| 1 | 24 | 358 | 4076 | 40003 | 345692 | | | |
| 1 | 49 | 1559 | 40003 | 862598 | | | | |
| 1 | 98 | 6361 | 345692 | | | | | |
| 1 | 195 | 25372 | | | | | | |
| 1 | 388 | | | | | | | |
| 1 | | | | | | | | |
A154983 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 4 | 11 | 24 | 49 | 98 | 195 | 388 |
| | 1 | 11 | 70 | 358 | 1559 | 6361 | 25372 |
| | | 1 | 24 | 358 | 4076 | 40003 | 345692 |
| | | | 1 | 49 | 1559 | 40003 | 862598 |
| | | | | 1 | 98 | 6361 | 345692 |
| | | | | | 1 | 195 | 25372 |
| | | | | | | 1 | 388 |
| | | | | | | | 1 |
|
