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| n | a(n) |
|---|---|
| 1 | 33 |
| 2 | 1089 |
| 3 | 16109 |
| 4 | 219061 |
| 5 | 2431277 |
| 6 | 25571618 |
| 7 | 248652016 |
| 8 | 2339185464 |
| 9 | 21198003576 |
| 10 | 188119640818 |
| 11 | 1635325209384 |
| 12 | 14020483612445 |
| 13 | 118681118328599 |
| 14 | 995030464602413 |
| 15 | 8271058337085215 |
| 16 | 68276292898767503 |
| 17 | 560139098581304227 |
[33,1089,16109,219061,2431277,25571618,248652016, 2339185464,21198003576,188119640818,1635325209384, 14020483612445,118681118328599,995030464602413, 8271058337085215,68276292898767503, 560139098581304227] |