A157981 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 23 | | -1 |
| | | | | | | 480 | | -46 | | 1 |
| | | | | | 9472 | | -1440 | | 69 | | -1 |
| | | | | 180224 | | -37888 | | 2880 | | -92 | | 1 |
| | | | 3342336 | | -901120 | | 94720 | | -4800 | | 115 | | -1 |
| | | 60817408 | | -20054016 | | 2703360 | | -189440 | | 7200 | | -138 | | 1 |
| | 1090519040 | | -425721856 | | 70189056 | | -6307840 | | 331520 | | -10080 | | 161 | | -1 |
|
A157981 as a square array
| 1 | 23 | 480 | 9472 | 180224 | 3342336 | 60817408 | 1090519040
| | -1 | -46 | -1440 | -37888 | -901120 | -20054016 | -425721856
| | 1 | 69 | 2880 | 94720 | 2703360 | 70189056
| | -1 | -92 | -4800 | -189440 | -6307840
| | 1 | 115 | 7200 | 331520
| | -1 | -138 | -10080
| | 1 | 161
| | -1
|
A157981 as an upper right triangle
| 1 | 23 | 480 | 9472 | 180224 | 3342336 | 60817408 | 1090519040
| | -1 | -46 | -1440 | -37888 | -901120 | -20054016 | -425721856
| | | 1 | 69 | 2880 | 94720 | 2703360 | 70189056
| | | | -1 | -92 | -4800 | -189440 | -6307840
| | | | | 1 | 115 | 7200 | 331520
| | | | | | -1 | -138 | -10080
| | | | | | | 1 | 161
| | | | | | | | -1
|
|
