A068606 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 0 | | 0 |
| | | | | | | | | | | 0 | | 3 | | 0 |
| | | | | | | | | | 0 | | 8 | | 8 | | 0 |
| | | | | | | | | 0 | | 15 | | 20 | | 15 | | 0 |
| | | | | | | | 0 | | 24 | | 36 | | 36 | | 24 | | 0 |
| | | | | | | 0 | | 35 | | 56 | | 63 | | 56 | | 35 | | 0 |
| | | | | | 0 | | 48 | | 80 | | 96 | | 96 | | 80 | | 48 | | 0 |
| | | | | 0 | | 63 | | 108 | | 135 | | 144 | | 135 | | 108 | | 63 | | 0 |
| | | | 0 | | 80 | | 140 | | 180 | | 200 | | 200 | | 180 | | 140 | | 80 | | 0 |
| | | 0 | | 99 | | 176 | | 231 | | 264 | | 275 | | 264 | | 231 | | 176 | | 99 | | 0 |
| | 0 | | 120 | | 216 | | 288 |
|
A068606 as a square array
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80 | 99 | 120
| 0 | 8 | 20 | 36 | 56 | 80 | 108 | 140 | 176 | 216
| 0 | 15 | 36 | 63 | 96 | 135 | 180 | 231 | 288
| 0 | 24 | 56 | 96 | 144 | 200 | 264
| 0 | 35 | 80 | 135 | 200 | 275
| 0 | 48 | 108 | 180 | 264
| 0 | 63 | 140 | 231
| 0 | 80 | 176
| 0 | 99
| 0
|
A068606 as an upper right triangle
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 0 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80 | 99 | 120
| | | 0 | 8 | 20 | 36 | 56 | 80 | 108 | 140 | 176 | 216
| | | | 0 | 15 | 36 | 63 | 96 | 135 | 180 | 231 | 288
| | | | | 0 | 24 | 56 | 96 | 144 | 200 | 264
| | | | | | 0 | 35 | 80 | 135 | 200 | 275
| | | | | | | 0 | 48 | 108 | 180 | 264
| | | | | | | | 0 | 63 | 140 | 231
| | | | | | | | | 0 | 80 | 176
| | | | | | | | | | 0 | 99
| | | | | | | | | | | 0
| | | | | | | | | | |
|
|