A103240 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 7 | | 4 | | 1 |
| | | | | | | 142 | | 56 | | 9 | | 1 |
| | | | | | 5941 | | 1780 | | 207 | | 16 | | 1 |
| | | | | 428856 | | 103392 | | 9342 | | 544 | | 25 | | 1 |
| | | | 47885899 | | 9649124 | | 709893 | | 32848 | | 1175 | | 36 | | 1 |
| | | 7685040448 | | 1329514816 | | 82305144 | | 3142528 | | 91150 | | 2232 | | 49 | | 1 |
| | 1681740027657 | | 254821480596 | | 13598786979 |
|
A103240 as a square array
1 | 1 | 7 | 142 | 5941 | 428856 | 47885899 | 7685040448 | 1681740027657
| 1 | 4 | 56 | 1780 | 103392 | 9649124 | 1329514816 | 254821480596
| 1 | 9 | 207 | 9342 | 709893 | 82305144 | 13598786979
| 1 | 16 | 544 | 32848 | 3142528
| 1 | 25 | 1175 | 91150
| 1 | 36 | 2232
| 1 | 49
| 1
|
A103240 as an upper right triangle
1 | 1 | 7 | 142 | 5941 | 428856 | 47885899 | 7685040448 | 1681740027657
| | 1 | 4 | 56 | 1780 | 103392 | 9649124 | 1329514816 | 254821480596
| | | 1 | 9 | 207 | 9342 | 709893 | 82305144 | 13598786979
| | | | 1 | 16 | 544 | 32848 | 3142528
| | | | | 1 | 25 | 1175 | 91150
| | | | | | 1 | 36 | 2232
| | | | | | | 1 | 49
| | | | | | | | 1
| | | | | | | |
|
|