| n | a(n) |
|---|---|
| 1 | 205 |
| 2 | 1940 |
| 3 | 16842 |
| 4 | 131432 |
| 5 | 940270 |
| 6 | 6287755 |
| 7 | 39889619 |
| 8 | 242721211 |
| 9 | 1428279867 |
| 10 | 8179225950 |
| 11 | 45807549072 |
| 12 | 251870313730 |
| 13 | 1363916141796 |
| 14 | 7292379512157 |
| 15 | 38576495950065 |
| 16 | 202251507089485 |
| 17 | 1052431144936985 |
| 18 | 5441816782194136 |
[205,1940,16842,131432,940270,6287755,39889619, 242721211,1428279867,8179225950,45807549072, 251870313730,1363916141796,7292379512157, 38576495950065,202251507089485,1052431144936985, 5441816782194136] |