A144480 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | 1 | | 6 | | 6 | | 1 |
| | | | | | | | 1 | | 8 | | 18 | | 8 | | 1 |
| | | | | | | 1 | | 10 | | 30 | | 30 | | 10 | | 1 |
| | | | | | 1 | | 12 | | 45 | | 80 | | 45 | | 12 | | 1 |
| | | | | 1 | | 14 | | 63 | | 140 | | 140 | | 63 | | 14 | | 1 |
| | | | 1 | | 16 | | 84 | | 224 | | 350 | | 224 | | 84 | | 16 | | 1 |
| | | 1 | | 18 | | 108 | | 336 | | 630 | | 630 | | 336 | | 108 | | 18 | | 1 |
| | 1 | | 20 | | 135 | | 480 | | 1050 | | 1512 | | 1050 | | 480 | | 135 | | 20 | | 1 |
|
A144480 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20
| | 1 | 6 | 18 | 30 | 45 | 63 | 84 | 108 | 135
| | 1 | 8 | 30 | 80 | 140 | 224 | 336 | 480
| | 1 | 10 | 45 | 140 | 350 | 630 | 1050
| | 1 | 12 | 63 | 224 | 630 | 1512
| | 1 | 14 | 84 | 336 | 1050
| | 1 | 16 | 108 | 480
| | 1 | 18 | 135
| | 1 | 20
| | 1
|
A144480 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20
| | | 1 | 6 | 18 | 30 | 45 | 63 | 84 | 108 | 135
| | | | 1 | 8 | 30 | 80 | 140 | 224 | 336 | 480
| | | | | 1 | 10 | 45 | 140 | 350 | 630 | 1050
| | | | | | 1 | 12 | 63 | 224 | 630 | 1512
| | | | | | | 1 | 14 | 84 | 336 | 1050
| | | | | | | | 1 | 16 | 108 | 480
| | | | | | | | | 1 | 18 | 135
| | | | | | | | | | 1 | 20
| | | | | | | | | | | 1
|
|
