A205917 as a triangular array
| | | | | | | | 81 |
| | | | | | | | 369 | | 369 |
| | | | | | | 1764 | | 1791 | | 1764 |
| | | | | | 8655 | | 9831 | | 9831 | | 8655 |
| | | | | 43155 | | 60108 | | 87918 | | 60108 | | 43155 |
| | | | 218034 | | 387267 | | 875760 | | 875760 | | 387267 | | 218034 |
| | | 1112664 | | 2554848 | | 8986929 | | 14150391 | | 8986929 | | 2554848 | | 1112664 |
| | 5722236 | | 17051166 | | 93488811 | | 231526056 |
|
A205917 as a square array
81 | 369 | 1764 | 8655 | 43155 | 218034 | 1112664 | 5722236
| 369 | 1791 | 9831 | 60108 | 387267 | 2554848 | 17051166
| 1764 | 9831 | 87918 | 875760 | 8986929 | 93488811
| 8655 | 60108 | 875760 | 14150391 | 231526056
| 43155 | 387267 | 8986929
| 218034 | 2554848
| 1112664
|
A205917 as an upper right triangle
81 | 369 | 1764 | 8655 | 43155 | 218034 | 1112664 | 5722236
| | 369 | 1791 | 9831 | 60108 | 387267 | 2554848 | 17051166
| | | 1764 | 9831 | 87918 | 875760 | 8986929 | 93488811
| | | | 8655 | 60108 | 875760 | 14150391 | 231526056
| | | | | 43155 | 387267 | 8986929
| | | | | | 218034 | 2554848
| | | | | | | 1112664
| | | | | | |
|
|