| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 27 |
| 4 | 0 |
| 5 | 0 |
| 6 | 27 |
| 7 | 343 |
| 8 | 0 |
| 9 | 27 |
| 10 | 0 |
| 11 | 1331 |
| 12 | 27 |
| 13 | 0 |
| 14 | 343 |
| 15 | 3402 |
| 16 | 0 |
| 17 | 0 |
| 18 | 27 |
| 19 | 6859 |
| 20 | 0 |
| 21 | 370 |
| 22 | 1331 |
| 23 | 12167 |
| 24 | 27 |
| 25 | 0 |
| 26 | 0 |
| 27 | 19710 |
| 28 | 343 |
| 29 | 0 |
| 30 | 3402 |
| 31 | 29791 |
| 32 | 0 |
| 33 | 1358 |
| 34 | 0 |
| 35 | 43218 |
| 36 | 27 |
| 37 | 0 |
| 38 | 6859 |
| 39 | 59346 |
| 40 | 0 |
| 41 | 0 |
| 42 | 370 |
| 43 | 79507 |
| 44 | 1331 |
| 45 | 3402 |
| 46 | 12167 |
| 47 | 103823 |
| 48 | 27 |
| 49 | 343 |
| 50 | 0 |
| 51 | 132678 |
| 52 | 0 |
| 53 | 0 |
[0,0,27,0,0,27,343,0,27,0,1331,27,0,343,3402,0,0, 27,6859,0,370,1331,12167,27,0,0,19710,343,0,3402, 29791,0,1358,0,43218,27,0,6859,59346,0,0,370, 79507,1331,3402,12167,103823,27,343,0,132678,0,0] |