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| n | a(n) |
|---|---|
| 1 | 333 |
| 2 | 1530 |
| 3 | 7835 |
| 4 | 41657 |
| 5 | 226004 |
| 6 | 1235783 |
| 7 | 6782829 |
| 8 | 37288278 |
| 9 | 205145785 |
| 10 | 1129013615 |
| 11 | 6214483528 |
| 12 | 34209181595 |
| 13 | 188319539951 |
| 14 | 1036704795848 |
| 15 | 5707135200185 |
| 16 | 31418307187167 |
| 17 | 172960983499418 |
| 18 | 952168615072689 |
[333,1530,7835,41657,226004,1235783,6782829, 37288278,205145785,1129013615,6214483528, 34209181595,188319539951,1036704795848, 5707135200185,31418307187167,172960983499418, 952168615072689] |