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| n | a(n) |
|---|---|
| 1 | 33 |
| 2 | 153 |
| 3 | 453 |
| 4 | 1953 |
| 5 | 4773 |
| 6 | 19353 |
| 7 | 23253 |
| 8 | 36273 |
| 9 | 37413 |
| 10 | 38793 |
| 11 | 40773 |
| 12 | 50133 |
| 13 | 51693 |
| 14 | 70413 |
| 15 | 70833 |
| 16 | 83433 |
| 17 | 88893 |
| 18 | 108393 |
| 19 | 115233 |
| 20 | 117873 |
| 21 | 131193 |
| 22 | 136113 |
| 23 | 157773 |
| 24 | 161733 |
| 25 | 164793 |
| 26 | 170973 |
| 27 | 184533 |
| 28 | 221793 |
| 29 | 234813 |
| 30 | 238293 |
| 31 | 258453 |
| 32 | 271893 |
| 33 | 272313 |
| 34 | 287313 |
| 35 | 304953 |
| 36 | 307713 |
| 37 | 325533 |
| 38 | 327753 |
| 39 | 330393 |
[33,153,453,1953,4773,19353,23253,36273,37413, 38793,40773,50133,51693,70413,70833,83433,88893, 108393,115233,117873,131193,136113,157773,161733, 164793,170973,184533,221793,234813,238293,258453, 271893,272313,287313,304953,307713,325533,327753, 330393] |