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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 11 |
| 3 | 81 |
| 4 | 198 |
| 5 | 121 |
| 6 | 729 |
| 7 | 2673 |
| 8 | 3267 |
| 9 | 1331 |
| 10 | 6561 |
| 11 | 32076 |
| 12 | 58806 |
| 13 | 47916 |
| 14 | 14641 |
| 15 | 59049 |
| 16 | 360855 |
| 17 | 882090 |
| 18 | 1078110 |
| 19 | 658845 |
| 20 | 161051 |
| 21 | 531441 |
| 22 | 3897234 |
| 23 | 11908215 |
| 24 | 19405980 |
| 25 | 17788815 |
| 26 | 8696754 |
| 27 | 1771561 |
| 28 | 4782969 |
| 29 | 40920957 |
| 30 | 150043509 |
| 31 | 305644185 |
[1,9,11,81,198,121,729,2673,3267,1331,6561,32076, 58806,47916,14641,59049,360855,882090,1078110, 658845,161051,531441,3897234,11908215,19405980, 17788815,8696754,1771561,4782969,40920957, 150043509,305644185] |