A015124 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | -10 | | 1 |
| | | | | | | 1 | | 111 | | 111 | | 1 |
| | | | | | 1 | | -1220 | | 13542 | | -1220 | | 1 |
| | | | | 1 | | 13421 | | 1637362 | | 1637362 | | 13421 | | 1 |
| | | | 1 | | -147630 | | 198134223 | | -2177691460 | | 198134223 | | -147630 | | 1 |
| | | 1 | | 1623931 | | 23974093353 | | 2898705467483 | | 2898705467483 | | 23974093353 | | 1623931 | | 1 |
| | 1 |
|
A015124 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -10 | 111 | -1220 | 13421 | -147630 | 1623931
| | 1 | 111 | 13542 | 1637362 | 198134223 | 23974093353
| | 1 | -1220 | 1637362 | -2177691460 | 2898705467483
| | 1 | 13421 | 198134223 | 2898705467483
| | 1 | -147630 | 23974093353
| | 1 | 1623931
| | 1
|
A015124 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -10 | 111 | -1220 | 13421 | -147630 | 1623931
| | | 1 | 111 | 13542 | 1637362 | 198134223 | 23974093353
| | | | 1 | -1220 | 1637362 | -2177691460 | 2898705467483
| | | | | 1 | 13421 | 198134223 | 2898705467483
| | | | | | 1 | -147630 | 23974093353
| | | | | | | 1 | 1623931
| | | | | | | | 1
| | | | | | | |
|
|
