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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 9 |
| 5 | 12 |
| 6 | 18 |
| 7 | 27 |
| 8 | 27 |
| 9 | 15 |
| 10 | 36 |
| 11 | 108 |
| 12 | 54 |
| 13 | -207 |
| 14 | 81 |
| 15 | 1296 |
| 16 | 81 |
| 17 | -5397 |
| 18 | 45 |
| 19 | 25245 |
| 20 | 108 |
| 21 | -118053 |
| 22 | 324 |
| 23 | 563355 |
| 24 | 162 |
| 25 | -2711799 |
| 26 | -621 |
| 27 | 13188096 |
| 28 | 243 |
| 29 | -64689894 |
| 30 | 3888 |
| 31 | 319651920 |
| 32 | 243 |
| 33 | -1589538684 |
| 34 | -16191 |
| 35 | 7949000070 |
| 36 | 135 |
| 37 | -39951345438 |
| 38 | 75735 |
[1,3,6,9,12,18,27,27,15,36,108,54,-207,81,1296,81, -5397,45,25245,108,-118053,324,563355,162, -2711799,-621,13188096,243,-64689894,3888, 319651920,243,-1589538684,-16191,7949000070,135, -39951345438,75735] |