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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 11 |
| 4 | 97 |
| 5 | 593 |
| 6 | 690 |
| 7 | 1283 |
| 8 | 1973 |
| 9 | 3256 |
| 10 | 8485 |
| 11 | 20226 |
| 12 | 28711 |
| 13 | 48937 |
| 14 | 77648 |
| 15 | 126585 |
| 16 | 837158 |
| 17 | 6823849 |
| 18 | 7661007 |
| 19 | 37467877 |
| 20 | 82596761 |
| 21 | 2184983663 |
| 22 | 4452564087 |
| 23 | 19995240011 |
| 24 | 24447804098 |
| 25 | 215577672795 |
| 26 | 1317913840868 |
| 27 | 1533491513663 |
| 28 | 2851405354531 |
| 29 | 4384896868194 |
[1,2,9,11,97,593,690,1283,1973,3256,8485,20226, 28711,48937,77648,126585,837158,6823849,7661007, 37467877,82596761,2184983663,4452564087, 19995240011,24447804098,215577672795, 1317913840868,1533491513663,2851405354531, 4384896868194] |