A154918 as a triangular array
| | | | | | | | 2 |
| | | | | | | | 5 | | 5 |
| | | | | | | 29 | | 112 | | 29 |
| | | | | | 221 | | 1144 | | 1144 | | 221 |
| | | | | 1821 | | 12000 | | 16016 | | 12000 | | 1821 |
| | | | 15505 | | 127110 | | 206720 | | 206720 | | 127110 | | 15505 |
| | | 134597 | | 1309528 | | 2838752 | | 2615008 | | 2838752 | | 1309528 | | 134597 |
| | 1184041 | | 13126386 | | 37818900 | | 37328655 | | 37328655 | | 37818900 | | 13126386 | | 1184041 |
|
A154918 as a square array
2 | 5 | 29 | 221 | 1821 | 15505 | 134597 | 1184041
| 5 | 112 | 1144 | 12000 | 127110 | 1309528 | 13126386
| 29 | 1144 | 16016 | 206720 | 2838752 | 37818900
| 221 | 12000 | 206720 | 2615008 | 37328655
| 1821 | 127110 | 2838752 | 37328655
| 15505 | 1309528 | 37818900
| 134597 | 13126386
| 1184041
|
A154918 as an upper right triangle
2 | 5 | 29 | 221 | 1821 | 15505 | 134597 | 1184041
| | 5 | 112 | 1144 | 12000 | 127110 | 1309528 | 13126386
| | | 29 | 1144 | 16016 | 206720 | 2838752 | 37818900
| | | | 221 | 12000 | 206720 | 2615008 | 37328655
| | | | | 1821 | 127110 | 2838752 | 37328655
| | | | | | 15505 | 1309528 | 37818900
| | | | | | | 134597 | 13126386
| | | | | | | | 1184041
|
|