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| n | a(n) |
|---|---|
| 1 | 98 |
| 2 | 512 |
| 3 | 3711 |
| 4 | 24013 |
| 5 | 142344 |
| 6 | 839216 |
| 7 | 5128489 |
| 8 | 31001921 |
| 9 | 185695082 |
| 10 | 1111399040 |
| 11 | 6683005863 |
| 12 | 40131775549 |
| 13 | 240734834880 |
| 14 | 1443900139952 |
| 15 | 8665852404001 |
| 16 | 52000488541745 |
| 17 | 311993105964146 |
| 18 | 1871866398248960 |
| 19 | 11231623403277711 |
[98,512,3711,24013,142344,839216,5128489,31001921, 185695082,1111399040,6683005863,40131775549, 240734834880,1443900139952,8665852404001, 52000488541745,311993105964146,1871866398248960, 11231623403277711] |