A156691 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | -5 | | 1 |
| | | | | | | 1 | | 40 | | 40 | | 1 |
| | | | | | 1 | | -440 | | 3520 | | -440 | | 1 |
| | | | | 1 | | 6160 | | 542080 | | 542080 | | 6160 | | 1 |
| | | | 1 | | -104720 | | 129015040 | | -1419165440 | | 129015040 | | -104720 | | 1 |
| | | 1 | | 2094400 | | 43865113600 | | 6755227494400 | | 6755227494400 | | 43865113600 | | 2094400 | | 1 |
| | 1 | | -48171200 | | 20177952256000 | | -52825879006208000 | | 739562306086912000 | | -52825879006208000 | | 20177952256000 | | -48171200 | | 1 |
|
A156691 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -5 | 40 | -440 | 6160 | -104720 | 2094400 | -48171200
| | 1 | 40 | 3520 | 542080 | 129015040 | 43865113600 | 20177952256000
| | 1 | -440 | 542080 | -1419165440 | 6755227494400 | -52825879006208000
| | 1 | 6160 | 129015040 | 6755227494400 | 739562306086912000
| | 1 | -104720 | 43865113600 | -52825879006208000
| | 1 | 2094400 | 20177952256000
| | 1 | -48171200
| | 1
|
A156691 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -5 | 40 | -440 | 6160 | -104720 | 2094400 | -48171200
| | | 1 | 40 | 3520 | 542080 | 129015040 | 43865113600 | 20177952256000
| | | | 1 | -440 | 542080 | -1419165440 | 6755227494400 | -52825879006208000
| | | | | 1 | 6160 | 129015040 | 6755227494400 | 739562306086912000
| | | | | | 1 | -104720 | 43865113600 | -52825879006208000
| | | | | | | 1 | 2094400 | 20177952256000
| | | | | | | | 1 | -48171200
| | | | | | | | | 1
|
|
