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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 21 |
| 3 | 13 |
| 4 | 41 |
| 5 | 8 |
| 6 | 73 |
| 7 | 145 |
| 8 | 113 |
| 9 | 201 |
| 10 | 393 |
| 11 | 377 |
| 12 | 1489 |
| 13 | 793 |
| 14 | 1097 |
| 15 | 1657 |
| 16 | 2161 |
[2,21,13,41,8,73,145,113,201,393,377,1489,793, 1097,1657,2161] |