A210391 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | 1 | | 1 | | 0 |
| | | | | | | | | 1 | | 2 | | 1 | | 0 |
| | | | | | | | 1 | | 3 | | 4 | | 1 | | 0 |
| | | | | | | 1 | | 4 | | 9 | | 6 | | 1 | | 0 |
| | | | | | 1 | | 5 | | 16 | | 19 | | 9 | | 1 | | 0 |
| | | | | 1 | | 6 | | 25 | | 44 | | 39 | | 12 | | 1 | | 0 |
| | | | 1 | | 7 | | 36 | | 85 | | 116 | | 69 | | 16 | | 1 | | 0 |
| | | 1 | | 8 | | 49 | | 146 | | 275 | | 260 | | 119 | | 20 | | 1 | | 0 |
| | 1 | | 9 | | 64 | | 231 | | 561 | | 751 | | 560 | | 189 | | 25 | | 1 | | 0 |
|
A210391 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | 0 | 1 | 4 | 9 | 16 | 25 | 36 | 49 | 64
| | 0 | 1 | 6 | 19 | 44 | 85 | 146 | 231
| | 0 | 1 | 9 | 39 | 116 | 275 | 561
| | 0 | 1 | 12 | 69 | 260 | 751
| | 0 | 1 | 16 | 119 | 560
| | 0 | 1 | 20 | 189
| | 0 | 1 | 25
| | 0 | 1
| | 0
|
A210391 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | | 0 | 1 | 4 | 9 | 16 | 25 | 36 | 49 | 64
| | | | 0 | 1 | 6 | 19 | 44 | 85 | 146 | 231
| | | | | 0 | 1 | 9 | 39 | 116 | 275 | 561
| | | | | | 0 | 1 | 12 | 69 | 260 | 751
| | | | | | | 0 | 1 | 16 | 119 | 560
| | | | | | | | 0 | 1 | 20 | 189
| | | | | | | | | 0 | 1 | 25
| | | | | | | | | | 0 | 1
| | | | | | | | | | | 0
|
|
