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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 261 |
| 3 | 4825 |
| 4 | 99412 |
| 5 | 2150725 |
| 6 | 49010279 |
| 7 | 1144026966 |
| 8 | 27661711340 |
| 9 | 675162674013 |
| 10 | 16856701234835 |
| 11 | 420887303067372 |
| 12 | 10667059372717628 |
| 13 | 269151099426013153 |
| 14 | 6864951410824045525 |
| 15 | 174032508128381293295 |
| 16 | 4449942387019119485869 |
[16,261,4825,99412,2150725,49010279,1144026966, 27661711340,675162674013,16856701234835, 420887303067372,10667059372717628, 269151099426013153,6864951410824045525, 174032508128381293295,4449942387019119485869] |