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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 12 |
| 5 | 18 |
| 6 | 27 |
| 7 | 36 |
| 8 | 54 |
| 9 | 81 |
| 10 | 108 |
| 11 | 162 |
| 12 | 243 |
| 13 | 324 |
| 14 | 486 |
| 15 | 729 |
| 16 | 972 |
| 17 | 1458 |
| 18 | 2187 |
| 19 | 2916 |
| 20 | 4374 |
| 21 | 6561 |
| 22 | 8748 |
| 23 | 13122 |
| 24 | 19683 |
| 25 | 26244 |
| 26 | 39366 |
| 27 | 59049 |
| 28 | 78732 |
| 29 | 118098 |
| 30 | 177147 |
| 31 | 236196 |
| 32 | 354294 |
| 33 | 531441 |
| 34 | 708588 |
| 35 | 1062882 |
| 36 | 1594323 |
| 37 | 2125764 |
| 38 | 3188646 |
| 39 | 4782969 |
[4,6,9,12,18,27,36,54,81,108,162,243,324,486,729, 972,1458,2187,2916,4374,6561,8748,13122,19683, 26244,39366,59049,78732,118098,177147,236196, 354294,531441,708588,1062882,1594323,2125764, 3188646,4782969] |