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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 6 |
| 3 | 18 |
| 4 | 30 |
| 5 | 42 |
| 6 | 54 |
| 7 | 66 |
| 8 | 67 |
| 9 | 70 |
| 10 | 73 |
| 11 | 76 |
| 12 | 79 |
| 13 | 82 |
| 14 | 84 |
| 15 | 102 |
| 16 | 120 |
| 17 | 138 |
| 18 | 156 |
| 19 | 174 |
| 20 | 175 |
| 21 | 178 |
| 22 | 181 |
| 23 | 184 |
| 24 | 187 |
| 25 | 190 |
| 26 | 192 |
| 27 | 210 |
| 28 | 228 |
| 29 | 246 |
| 30 | 264 |
| 31 | 282 |
| 32 | 283 |
| 33 | 286 |
| 34 | 289 |
| 35 | 292 |
| 36 | 295 |
| 37 | 298 |
| 38 | 300 |
| 39 | 318 |
| 40 | 336 |
| 41 | 354 |
| 42 | 372 |
| 43 | 390 |
| 44 | 391 |
| 45 | 394 |
| 46 | 397 |
| 47 | 400 |
| 48 | 403 |
| 49 | 406 |
| 50 | 408 |
[0,6,18,30,42,54,66,67,70,73,76,79,82,84,102,120, 138,156,174,175,178,181,184,187,190,192,210,228, 246,264,282,283,286,289,292,295,298,300,318,336, 354,372,390,391,394,397,400,403,406,408] |