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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 47 |
| 2 | 2162 |
| 3 | 99452 |
| 4 | 4574792 |
| 5 | 210440432 |
| 6 | 9680258791 |
| 7 | 445291854660 |
| 8 | 20483423028045 |
| 9 | 942237354119580 |
| 10 | 43342913451658140 |
| 11 | 1993773796235517600 |
| 12 | 91713584389960162440 |
| 13 | 4218824411042032288125 |
| 14 | 194065901246713684538250 |
[1,47,2162,99452,4574792,210440432,9680258791, 445291854660,20483423028045,942237354119580, 43342913451658140,1993773796235517600, 91713584389960162440,4218824411042032288125, 194065901246713684538250] |