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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 71 |
| 3 | 448 |
| 4 | 5197 |
| 5 | 43909 |
| 6 | 410456 |
| 7 | 4017895 |
| 8 | 37566429 |
| 9 | 351740354 |
| 10 | 3301443327 |
| 11 | 31135760775 |
| 12 | 294213106126 |
| 13 | 2771339919971 |
| 14 | 26068700897789 |
| 15 | 245447885397640 |
| 16 | 2313251869240159 |
| 17 | 21800440099050007 |
| 18 | 205343629421991480 |
[5,71,448,5197,43909,410456,4017895,37566429, 351740354,3301443327,31135760775,294213106126, 2771339919971,26068700897789,245447885397640, 2313251869240159,21800440099050007, 205343629421991480] |