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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 8 |
| 8 | 9 |
| 9 | 14 |
| 10 | 43 |
| 11 | 44 |
| 12 | 64 |
| 13 | 93 |
| 14 | 94 |
| 15 | 784 |
| 16 | 1562 |
| 17 | 1563 |
| 18 | 1564 |
| 19 | 1569 |
| 20 | 1599 |
| 21 | 3124 |
| 22 | 9374 |
[0,1,2,3,4,7,8,9,14,43,44,64,93,94,784,1562,1563, 1564,1569,1599,3124,9374] |