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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 9 |
| 5 | 21 |
| 6 | 27 |
| 7 | 49 |
| 8 | 63 |
| 9 | 77 |
| 10 | 81 |
| 11 | 147 |
| 12 | 189 |
| 13 | 243 |
| 14 | 297 |
| 15 | 343 |
| 16 | 369 |
| 17 | 441 |
| 18 | 567 |
| 19 | 729 |
| 20 | 903 |
| 21 | 1029 |
| 22 | 1323 |
| 23 | 1617 |
| 24 | 1631 |
| 25 | 1701 |
| 26 | 2009 |
| 27 | 2037 |
| 28 | 2043 |
| 29 | 2187 |
| 30 | 2401 |
| 31 | 2597 |
| 32 | 2709 |
| 33 | 3087 |
| 34 | 3969 |
| 35 | 5103 |
| 36 | 6237 |
| 37 | 6321 |
| 38 | 6561 |
| 39 | 7203 |
| 40 | 8001 |
| 41 | 8127 |
| 42 | 9261 |
| 43 | 10209 |
| 44 | 11907 |
| 45 | 13203 |
| 46 | 15309 |
| 47 | 15477 |
[1,3,7,9,21,27,49,63,77,81,147,189,243,297,343, 369,441,567,729,903,1029,1323,1617,1631,1701,2009, 2037,2043,2187,2401,2597,2709,3087,3969,5103,6237, 6321,6561,7203,8001,8127,9261,10209,11907,13203, 15309,15477] |