| n | a(n) |
|---|---|
| 1 | 2062 |
| 2 | 14068 |
| 3 | 84322 |
| 4 | 505798 |
| 5 | 3056040 |
| 6 | 18480372 |
| 7 | 111589592 |
| 8 | 674322800 |
| 9 | 4074139940 |
| 10 | 24612093494 |
| 11 | 148701447448 |
| 12 | 898399743424 |
| 13 | 5427755036698 |
| 14 | 32792496406138 |
| 15 | 198119766704856 |
| 16 | 1196964769857880 |
| 17 | 7231611525811128 |
| 18 | 43690672868090104 |
[2062,14068,84322,505798,3056040,18480372, 111589592,674322800,4074139940,24612093494, 148701447448,898399743424,5427755036698, 32792496406138,198119766704856,1196964769857880, 7231611525811128,43690672868090104] |