A054649 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 0 |
| | | | | | | | 1 | | -3 | | 4 |
| | | | | | | 1 | | -9 | | 32 | | -36 |
| | | | | | 1 | | -18 | | 131 | | -426 | | 528 |
| | | | | 1 | | -30 | | 375 | | -2370 | | 7544 | | -9600 |
| | | | 1 | | -45 | | 865 | | -8955 | | 52414 | | -163800 | | 213120 |
| | | 1 | | -63 | | 1729 | | -26565 | | 245854 | | -1366932 | | 4220376 | | -5574240 |
| | 1 | | -84 | | 3122 | | -66696 | | 893249 | | -7664916 | | 41096908 | | -125747664 | | 167973120 |
|
A054649 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | -3 | -9 | -18 | -30 | -45 | -63 | -84
| | 4 | 32 | 131 | 375 | 865 | 1729 | 3122
| | -36 | -426 | -2370 | -8955 | -26565 | -66696
| | 528 | 7544 | 52414 | 245854 | 893249
| | -9600 | -163800 | -1366932 | -7664916
| | 213120 | 4220376 | 41096908
| | -5574240 | -125747664
| | 167973120
|
A054649 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | -3 | -9 | -18 | -30 | -45 | -63 | -84
| | | 4 | 32 | 131 | 375 | 865 | 1729 | 3122
| | | | -36 | -426 | -2370 | -8955 | -26565 | -66696
| | | | | 528 | 7544 | 52414 | 245854 | 893249
| | | | | | -9600 | -163800 | -1366932 | -7664916
| | | | | | | 213120 | 4220376 | 41096908
| | | | | | | | -5574240 | -125747664
| | | | | | | | | 167973120
|
|
