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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 112 |
| 3 | 184 |
| 4 | 3368 |
| 5 | 13809 |
| 6 | 198753 |
| 7 | 2286535 |
| 8 | 21688754 |
| 9 | 284403950 |
| 10 | 3307001257 |
| 11 | 37294174386 |
| 12 | 457492833765 |
| 13 | 5410790816292 |
| 14 | 63288087145558 |
| 15 | 760502020473486 |
| 16 | 9023717299845918 |
| 17 | 106698982952917563 |
| 18 | 1272922168774272137 |
[13,112,184,3368,13809,198753,2286535,21688754, 284403950,3307001257,37294174386,457492833765, 5410790816292,63288087145558,760502020473486, 9023717299845918,106698982952917563, 1272922168774272137] |