A144254 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 2 | | 1 | | | | | | | |
| | | | | | 3 | | 4 | | 3 | | | | | | |
| | | | | 4 | | 10 | | 18 | | 10 | | | | | |
| | | | 5 | | 20 | | 63 | | 80 | | 42 | | | | |
| | | 6 | | 35 | | 168 | | 360 | | 420 | | 210 | | | |
| | 7 | | 56 | | 378 | | 1200 | | 2310 | | 2520 | | 1199 | | |
| 8 | | 84 | | 756 | | 3300 | | 9240 | | 16380 | | 16786 | | 7670 | |
| 9 | | 120 | | 1386 | | 7920 | | 30030 | | 76440 | | 125895 | | 122720 | | 54224 |
A144254 formatted as a square array:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 | |
| 3 | 18 | 63 | 168 | 378 | 756 | 1386 | | |
| 10 | 80 | 360 | 1200 | 3300 | 7920 | | | |
| 42 | 420 | 2310 | 9240 | 30030 | | | | |
| 210 | 2520 | 16380 | 76440 | | | | | |
| 1199 | 16786 | 125895 | | | | | | |
| 7670 | 122720 | | | | | | | |
| 54224 | | | | | | | | |
A144254 formatted as an upper right triangle:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 |
| | 3 | 18 | 63 | 168 | 378 | 756 | 1386 |
| | | 10 | 80 | 360 | 1200 | 3300 | 7920 |
| | | | 42 | 420 | 2310 | 9240 | 30030 |
| | | | | 210 | 2520 | 16380 | 76440 |
| | | | | | 1199 | 16786 | 125895 |
| | | | | | | 7670 | 122720 |
| | | | | | | | 54224 |
|
