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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 13 |
| 5 | 14 |
| 6 | 89 |
| 7 | 96 |
| 8 | 123 |
| 9 | 221 |
| 10 | 387 |
| 11 | 419 |
| 12 | 550 |
| 13 | 648 |
| 14 | 749 |
| 15 | 866 |
| 16 | 892 |
| 17 | 1105 |
| 18 | 2037 |
[0,1,5,13,14,89,96,123,221,387,419,550,648,749, 866,892,1105,2037] |