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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 10 |
| 4 | 100 |
| 5 | 147 |
| 6 | 1000 |
| 7 | 1099 |
| 8 | 1407 |
| 9 | 10000 |
| 10 | 14007 |
| 11 | 100000 |
| 12 | 140007 |
| 13 | 1000000 |
| 14 | 1400007 |
| 15 | 2124736 |
| 16 | 10000000 |
| 17 | 14000007 |
| 18 | 100000000 |
| 19 | 123456789 |
| 20 | 140000007 |
| 21 | 1000000000 |
| 22 | 1234506789 |
| 23 | 1400000007 |
| 24 | 10000000000 |
| 25 | 12345006789 |
| 26 | 14000000007 |
| 27 | 21247524736 |
| 28 | 100000000000 |
| 29 | 123450006789 |
[0,1,10,100,147,1000,1099,1407,10000,14007,100000, 140007,1000000,1400007,2124736,10000000,14000007, 100000000,123456789,140000007,1000000000, 1234506789,1400000007,10000000000,12345006789, 14000000007,21247524736,100000000000,123450006789] |