A107980 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 5 | | 9 |
| | | | | | | | | 14 | | 30 | | 40 |
| | | | | | | | 30 | | 70 | | 105 | | 125 |
| | | | | | | 55 | | 135 | | 216 | | 280 | | 315 |
| | | | | | 91 | | 231 | | 385 | | 525 | | 630 | | 686 |
| | | | | 140 | | 364 | | 624 | | 880 | | 1100 | | 1260 | | 1344 |
| | | | 204 | | 540 | | 945 | | 1365 | | 1755 | | 2079 | | 2310 | | 2430 |
| | | 285 | | 765 | | 1360 | | 2000 | | 2625 | | 3185 | | 3640 | | 3960 | | 4125 |
| | 385 | | 1045 | | 1881 | | 2805 | | 3740 | | 4620 | | 5390 | | 6006 | | 6435 | | 6655 |
|
A107980 as a square array
1 | 5 | 14 | 30 | 55 | 91 | 140 | 204 | 285 | 385
| 9 | 30 | 70 | 135 | 231 | 364 | 540 | 765 | 1045
| 40 | 105 | 216 | 385 | 624 | 945 | 1360 | 1881
| 125 | 280 | 525 | 880 | 1365 | 2000 | 2805
| 315 | 630 | 1100 | 1755 | 2625 | 3740
| 686 | 1260 | 2079 | 3185 | 4620
| 1344 | 2310 | 3640 | 5390
| 2430 | 3960 | 6006
| 4125 | 6435
| 6655
|
A107980 as an upper right triangle
1 | 5 | 14 | 30 | 55 | 91 | 140 | 204 | 285 | 385
| | 9 | 30 | 70 | 135 | 231 | 364 | 540 | 765 | 1045
| | | 40 | 105 | 216 | 385 | 624 | 945 | 1360 | 1881
| | | | 125 | 280 | 525 | 880 | 1365 | 2000 | 2805
| | | | | 315 | 630 | 1100 | 1755 | 2625 | 3740
| | | | | | 686 | 1260 | 2079 | 3185 | 4620
| | | | | | | 1344 | 2310 | 3640 | 5390
| | | | | | | | 2430 | 3960 | 6006
| | | | | | | | | 4125 | 6435
| | | | | | | | | | 6655
|
|