A137478 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 2 | | 4 | | 1 |
| | | | | | | 6 | | 18 | | 9 | | 1 |
| | | | | | 30 | | 120 | | 90 | | 20 | | 1 |
| | | | | 240 | | 1200 | | 1200 | | 400 | | 40 | | 1 |
| | | | 3120 | | 18720 | | 23400 | | 10400 | | 1560 | | 78 | | 1 |
| | | 65520 | | 458640 | | 687960 | | 382200 | | 76440 | | 5733 | | 147 | | 1 |
| | 2227680 | | 17821440 | | 31187520 | | 20791680 | | 5197920 | | 519792 | | 19992 | | 272 | | 1 |
|
A137478 as a square array
| 1 | 1 | 2 | 6 | 30 | 240 | 3120 | 65520 | 2227680
| | 1 | 4 | 18 | 120 | 1200 | 18720 | 458640 | 17821440
| | 1 | 9 | 90 | 1200 | 23400 | 687960 | 31187520
| | 1 | 20 | 400 | 10400 | 382200 | 20791680
| | 1 | 40 | 1560 | 76440 | 5197920
| | 1 | 78 | 5733 | 519792
| | 1 | 147 | 19992
| | 1 | 272
| | 1
|
A137478 as an upper right triangle
| 1 | 1 | 2 | 6 | 30 | 240 | 3120 | 65520 | 2227680
| | 1 | 4 | 18 | 120 | 1200 | 18720 | 458640 | 17821440
| | | 1 | 9 | 90 | 1200 | 23400 | 687960 | 31187520
| | | | 1 | 20 | 400 | 10400 | 382200 | 20791680
| | | | | 1 | 40 | 1560 | 76440 | 5197920
| | | | | | 1 | 78 | 5733 | 519792
| | | | | | | 1 | 147 | 19992
| | | | | | | | 1 | 272
| | | | | | | | | 1
|
|
