A137981 formatted as a triangular array:
| | | | | | 2 | | | | | | |
| | | | | -3 | | 30 | | | | | |
| | | | -92 | | -120 | | 696 | | | | |
| | | 720 | | -8340 | | -5220 | | 24120 | | | |
| | 40296 | | 103680 | | -722160 | | -289440 | | 1216080 | | |
| -756000 | | 10579800 | | 13003200 | | -73306800 | | -21281400 | | 86350320 | |
| -71284800 | | -268531200 | | 2283140160 | | 1799884800 | | -9170280000 | | -2072407680 | | 8319024000 |
A137981 formatted as a square array:
| 2 | -3 | -92 | 720 | 40296 | -756000 | -71284800 |
| 30 | -120 | -8340 | 103680 | 10579800 | -268531200 | |
| 696 | -5220 | -722160 | 13003200 | 2283140160 | | |
| 24120 | -289440 | -73306800 | 1799884800 | | | |
| 1216080 | -21281400 | -9170280000 | | | | |
| 86350320 | -2072407680 | | | | | |
| 8319024000 | | | | | | |
A137981 formatted as an upper right triangle:
| 2 | -3 | -92 | 720 | 40296 | -756000 | -71284800 |
| 30 | -120 | -8340 | 103680 | 10579800 | -268531200 |
| | 696 | -5220 | -722160 | 13003200 | 2283140160 |
| | | 24120 | -289440 | -73306800 | 1799884800 |
| | | | 1216080 | -21281400 | -9170280000 |
| | | | | 86350320 | -2072407680 |
| | | | | | 8319024000 |
|
