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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 43 |
| 3 | 356 |
| 4 | 3333 |
| 5 | 34754 |
| 6 | 398959 |
| 7 | 4996032 |
| 8 | 67741129 |
| 9 | 988344062 |
| 10 | 15434831091 |
| 11 | 256840738076 |
| 12 | 4536075689293 |
| 13 | 84731451264186 |
| 14 | 1668866557980343 |
| 15 | 34563571477305464 |
| 16 | 750867999393119889 |
| 17 | 17072113130285524982 |
| 18 | 405423357986250112699 |
| 19 | 10037458628015142154452 |
[6,43,356,3333,34754,398959,4996032,67741129, 988344062,15434831091,256840738076,4536075689293, 84731451264186,1668866557980343,34563571477305464, 750867999393119889,17072113130285524982, 405423357986250112699,10037458628015142154452] |