A054456 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 2 | | 1 | | | | | | | | |
| | | | | | | 5 | | 4 | | 1 | | | | | | | |
| | | | | | 12 | | 14 | | 6 | | 1 | | | | | | |
| | | | | 29 | | 44 | | 27 | | 8 | | 1 | | | | | |
| | | | 70 | | 131 | | 104 | | 44 | | 10 | | 1 | | | | |
| | | 169 | | 376 | | 366 | | 200 | | 65 | | 12 | | 1 | | | |
| | 408 | | 1052 | | 1212 | | 810 | | 340 | | 90 | | 14 | | 1 | | |
| 985 | | 2888 | | 3842 | | 3032 | | 1555 | | 532 | | 119 | | 16 | | 1 | |
| 2378 | | 7813 | | 11784 | | 10716 | | 6482 | | 2709 | | 784 | | 152 | | 18 | | 1 |
A054456 formatted as a square array:
| 1 | 2 | 5 | 12 | 29 | 70 | 169 | 408 | 985 | 2378 |
| 1 | 4 | 14 | 44 | 131 | 376 | 1052 | 2888 | 7813 | |
| 1 | 6 | 27 | 104 | 366 | 1212 | 3842 | 11784 | | |
| 1 | 8 | 44 | 200 | 810 | 3032 | 10716 | | | |
| 1 | 10 | 65 | 340 | 1555 | 6482 | | | | |
| 1 | 12 | 90 | 532 | 2709 | | | | | |
| 1 | 14 | 119 | 784 | | | | | | |
| 1 | 16 | 152 | | | | | | | |
| 1 | 18 | | | | | | | | |
| 1 | | | | | | | | | |
A054456 formatted as an upper right triangle:
| 1 | 2 | 5 | 12 | 29 | 70 | 169 | 408 | 985 | 2378 |
| 1 | 4 | 14 | 44 | 131 | 376 | 1052 | 2888 | 7813 |
| | 1 | 6 | 27 | 104 | 366 | 1212 | 3842 | 11784 |
| | | 1 | 8 | 44 | 200 | 810 | 3032 | 10716 |
| | | | 1 | 10 | 65 | 340 | 1555 | 6482 |
| | | | | 1 | 12 | 90 | 532 | 2709 |
| | | | | | 1 | 14 | 119 | 784 |
| | | | | | | 1 | 16 | 152 |
| | | | | | | | 1 | 18 |
| | | | | | | | | 1 |
|