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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 38 |
| 4 | 39 |
| 5 | 2090 |
| 6 | 2091 |
| 7 | 16902 |
| 8 | 16903 |
| 9 | 18954 |
| 10 | 18955 |
| 11 | 18988 |
| 12 | 18989 |
| 13 | 131334 |
| 14 | 131335 |
| 15 | 133386 |
| 16 | 133387 |
| 17 | 133420 |
| 18 | 133421 |
| 19 | 148258 |
| 20 | 148259 |
| 21 | 150284 |
| 22 | 150285 |
| 23 | 524314 |
| 24 | 524315 |
| 25 | 524348 |
| 26 | 524349 |
| 27 | 526386 |
| 28 | 526387 |
| 29 | 541212 |
| 30 | 541213 |
| 31 | 543250 |
| 32 | 543251 |
| 33 | 543284 |
| 34 | 543285 |
| 35 | 655644 |
| 36 | 655645 |
| 37 | 657682 |
[0,1,38,39,2090,2091,16902,16903,18954,18955, 18988,18989,131334,131335,133386,133387,133420, 133421,148258,148259,150284,150285,524314,524315, 524348,524349,526386,526387,541212,541213,543250, 543251,543284,543285,655644,655645,657682] |