A220109 as a triangular array
| | | | | | | | 4 |
| | | | | | | | 16 | | 16 |
| | | | | | | 56 | | 256 | | 56 |
| | | | | | 250 | | 4020 | | 4020 | | 250 |
| | | | | 984 | | 64862 | | 252520 | | 64862 | | 984 |
| | | | 3888 | | 1029672 | | 16187862 | | 16187862 | | 1029672 | | 3888 |
| | | 15798 | | 16468836 | | 1028824446 | | 4160361190 | | 1028824446 | | 16468836 | | 15798 |
| | 63092 | | 262860066 | | 65676456950 |
|
A220109 as a square array
4 | 16 | 56 | 250 | 984 | 3888 | 15798 | 63092
| 16 | 256 | 4020 | 64862 | 1029672 | 16468836 | 262860066
| 56 | 4020 | 252520 | 16187862 | 1028824446 | 65676456950
| 250 | 64862 | 16187862 | 4160361190
| 984 | 1029672 | 1028824446
| 3888 | 16468836
| 15798
|
A220109 as an upper right triangle
4 | 16 | 56 | 250 | 984 | 3888 | 15798 | 63092
| | 16 | 256 | 4020 | 64862 | 1029672 | 16468836 | 262860066
| | | 56 | 4020 | 252520 | 16187862 | 1028824446 | 65676456950
| | | | 250 | 64862 | 16187862 | 4160361190
| | | | | 984 | 1029672 | 1028824446
| | | | | | 3888 | 16468836
| | | | | | | 15798
| | | | | | |
|
|