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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 0 |
| 4 | 6 |
| 5 | 9 |
| 6 | 0 |
| 7 | 9 |
| 8 | 27 |
| 9 | 27 |
| 10 | 0 |
| 11 | 12 |
| 12 | 54 |
| 13 | 108 |
| 14 | 81 |
| 15 | 0 |
| 16 | 15 |
| 17 | 90 |
| 18 | 270 |
| 19 | 405 |
| 20 | 243 |
| 21 | 0 |
| 22 | 18 |
| 23 | 135 |
| 24 | 540 |
| 25 | 1215 |
| 26 | 1458 |
| 27 | 729 |
| 28 | 0 |
| 29 | 21 |
| 30 | 189 |
| 31 | 945 |
| 32 | 2835 |
| 33 | 5103 |
| 34 | 5103 |
| 35 | 2187 |
| 36 | 0 |
| 37 | 24 |
| 38 | 252 |
| 39 | 1512 |
| 40 | 5670 |
| 41 | 13608 |
| 42 | 20412 |
| 43 | 17496 |
| 44 | 6561 |
| 45 | 0 |
| 46 | 27 |
| 47 | 324 |
| 48 | 2268 |
| 49 | 10206 |
| 50 | 30618 |
| 51 | 61236 |
| 52 | 78732 |
| 53 | 59049 |
| 54 | 19683 |
[1,0,3,0,6,9,0,9,27,27,0,12,54,108,81,0,15,90,270, 405,243,0,18,135,540,1215,1458,729,0,21,189,945, 2835,5103,5103,2187,0,24,252,1512,5670,13608, 20412,17496,6561,0,27,324,2268,10206,30618,61236, 78732,59049,19683] |