A137388 as a triangular array
| | | | | | | | | | | -1 |
| | | | | | | | | | | -1 | | 0 |
| | | | | | | | | | -1 | | 0 | | 6 |
| | | | | | | | | -1 | | 0 | | 15 | | 20 |
| | | | | | | | -1 | | 0 | | 27 | | 64 | | 45 |
| | | | | | | -1 | | 0 | | 42 | | 140 | | 175 | | 84 |
| | | | | | -1 | | 0 | | 60 | | 256 | | 450 | | 384 | | 140 |
| | | | | -1 | | 0 | | 81 | | 420 | | 945 | | 1134 | | 735 | | 216 |
| | | | -1 | | 0 | | 105 | | 640 | | 1750 | | 2688 | | 2450 | | 1280 | | 315 |
| | | -1 | | 0 | | 132 | | 924 | | 2970 | | 5544 | | 6468 | | 4752 | | 2079 | | 440 |
| | -1 | | 0 | | 162 | | 1280 | | 4725 | | 10368 | | 14700 | | 13824 | | 8505 | | 3200 | | 594 |
|
A137388 as a square array
-1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 6 | 15 | 27 | 42 | 60 | 81 | 105 | 132 | 162
| 20 | 64 | 140 | 256 | 420 | 640 | 924 | 1280
| 45 | 175 | 450 | 945 | 1750 | 2970 | 4725
| 84 | 384 | 1134 | 2688 | 5544 | 10368
| 140 | 735 | 2450 | 6468 | 14700
| 216 | 1280 | 4752 | 13824
| 315 | 2079 | 8505
| 440 | 3200
| 594
|
A137388 as an upper right triangle
-1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 6 | 15 | 27 | 42 | 60 | 81 | 105 | 132 | 162
| | | | 20 | 64 | 140 | 256 | 420 | 640 | 924 | 1280
| | | | | 45 | 175 | 450 | 945 | 1750 | 2970 | 4725
| | | | | | 84 | 384 | 1134 | 2688 | 5544 | 10368
| | | | | | | 140 | 735 | 2450 | 6468 | 14700
| | | | | | | | 216 | 1280 | 4752 | 13824
| | | | | | | | | 315 | 2079 | 8505
| | | | | | | | | | 440 | 3200
| | | | | | | | | | | 594
|
|