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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 38 |
| 3 | 217 |
| 4 | 1297 |
| 5 | 1311 |
| 6 | 7777 |
| 7 | 7779 |
| 8 | 7790 |
| 9 | 7833 |
| 10 | 46657 |
| 11 | 279937 |
| 12 | 279938 |
| 13 | 279986 |
| 14 | 280043 |
| 15 | 280238 |
| 16 | 1679617 |
| 17 | 1681257 |
| 18 | 10077697 |
| 19 | 10077698 |
| 20 | 10077710 |
| 21 | 10077803 |
| 22 | 10077962 |
| 23 | 10078343 |
| 24 | 10079524 |
| 25 | 60466177 |
| 26 | 60466179 |
| 27 | 60475766 |
| 28 | 362797057 |
[0,38,217,1297,1311,7777,7779,7790,7833,46657, 279937,279938,279986,280043,280238,1679617, 1681257,10077697,10077698,10077710,10077803, 10077962,10078343,10079524,60466177,60466179, 60475766,362797057] |