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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 27 |
| 6 | 64 |
| 7 | 216 |
| 8 | 729 |
| 9 | 2197 |
| 10 | 6859 |
| 11 | 21952 |
| 12 | 68921 |
| 13 | 300763 |
| 14 | 1061208 |
| 15 | 3375000 |
| 16 | 14348907 |
| 17 | 54010152 |
| 18 | 183250432 |
| 19 | 716917375 |
| 20 | 2685619000 |
| 21 | 9460870875 |
| 22 | 38136631896 |
| 23 | 142973623989 |
| 24 | 507024206424 |
| 25 | 2042099126703 |
| 26 | 7744763561625 |
[1,1,1,1,8,27,64,216,729,2197,6859,21952,68921, 300763,1061208,3375000,14348907,54010152, 183250432,716917375,2685619000,9460870875, 38136631896,142973623989,507024206424, 2042099126703,7744763561625] |