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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 11 |
| 3 | 110 |
| 4 | 1089 |
| 5 | 10769 |
| 6 | 106480 |
| 7 | 1052821 |
| 8 | 10409751 |
| 9 | 102926230 |
| 10 | 1017681269 |
| 11 | 10062305429 |
| 12 | 99490865760 |
| 13 | 983714163641 |
| 14 | 9726456276691 |
| 15 | 96170163243550 |
| 16 | 950880776635449 |
| 17 | 9401816747310889 |
| 18 | 92960295677429840 |
| 19 | 919143268231308461 |
| 20 | 9088012698092664831 |
[0,1,11,110,1089,10769,106480,1052821,10409751, 102926230,1017681269,10062305429,99490865760, 983714163641,9726456276691,96170163243550, 950880776635449,9401816747310889, 92960295677429840,919143268231308461, 9088012698092664831] |