| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 47 |
| 2 | 2162 |
| 3 | 99452 |
| 4 | 4574792 |
| 5 | 210440432 |
| 6 | 9680259872 |
| 7 | 445291954112 |
| 8 | 20483429888071 |
| 9 | 942237774801540 |
| 10 | 43342937638584525 |
| 11 | 1993775131269717660 |
| 12 | 91713656033569169820 |
| 13 | 4218828177321641054880 |
| 14 | 194066096146558613709840 |
[1,47,2162,99452,4574792,210440432,9680259872, 445291954112,20483429888071,942237774801540, 43342937638584525,1993775131269717660, 91713656033569169820,4218828177321641054880, 194066096146558613709840] |