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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 119 |
| 3 | 1271 |
| 4 | 12377 |
| 5 | 114237 |
| 6 | 1020363 |
| 7 | 8917959 |
| 8 | 76781969 |
| 9 | 654043429 |
| 10 | 5527999491 |
| 11 | 46453882975 |
| 12 | 388684467193 |
| 13 | 3241544130797 |
| 14 | 26966567758011 |
| 15 | 223909491294007 |
| 16 | 1856454655587233 |
| 17 | 15374716782125557 |
| 18 | 127219112989452339 |
[9,119,1271,12377,114237,1020363,8917959,76781969, 654043429,5527999491,46453882975,388684467193, 3241544130797,26966567758011,223909491294007, 1856454655587233,15374716782125557, 127219112989452339] |