A257488 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 3 | | 1 |
| | | | | | | | | 8 | | 6 | | 1 |
| | | | | | | | 22 | | 25 | | 9 | | 1 |
| | | | | | | 64 | | 92 | | 51 | | 12 | | 1 |
| | | | | | 196 | | 324 | | 237 | | 86 | | 15 | | 1 |
| | | | | 625 | | 1128 | | 996 | | 484 | | 130 | | 18 | | 1 |
| | | | 2055 | | 3934 | | 3966 | | 2377 | | 860 | | 183 | | 21 | | 1 |
| | | 6917 | | 13812 | | 15335 | | 10744 | | 4845 | | 1392 | | 245 | | 24 | | 1 |
| | 23713 | | 48884 | | 58359 | | 46068 | | 24603 | | 8859 | | 2107 | | 316 | | 27 | | 1 |
|
A257488 as a square array
1 | 3 | 8 | 22 | 64 | 196 | 625 | 2055 | 6917 | 23713
| 1 | 6 | 25 | 92 | 324 | 1128 | 3934 | 13812 | 48884
| 1 | 9 | 51 | 237 | 996 | 3966 | 15335 | 58359
| 1 | 12 | 86 | 484 | 2377 | 10744 | 46068
| 1 | 15 | 130 | 860 | 4845 | 24603
| 1 | 18 | 183 | 1392 | 8859
| 1 | 21 | 245 | 2107
| 1 | 24 | 316
| 1 | 27
| 1
|
A257488 as an upper right triangle
1 | 3 | 8 | 22 | 64 | 196 | 625 | 2055 | 6917 | 23713
| | 1 | 6 | 25 | 92 | 324 | 1128 | 3934 | 13812 | 48884
| | | 1 | 9 | 51 | 237 | 996 | 3966 | 15335 | 58359
| | | | 1 | 12 | 86 | 484 | 2377 | 10744 | 46068
| | | | | 1 | 15 | 130 | 860 | 4845 | 24603
| | | | | | 1 | 18 | 183 | 1392 | 8859
| | | | | | | 1 | 21 | 245 | 2107
| | | | | | | | 1 | 24 | 316
| | | | | | | | | 1 | 27
| | | | | | | | | | 1
|
|