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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 17 |
| 6 | 19 |
| 7 | 36 |
| 8 | 60 |
| 9 | 70 |
| 10 | 83 |
| 11 | 92 |
| 12 | 276 |
| 13 | 324 |
| 14 | 330 |
| 15 | 486 |
| 16 | 3514 |
| 17 | 6062 |
| 18 | 10760 |
| 19 | 53958 |
| 20 | 58920 |
| 21 | 101892 |
[1,2,4,6,17,19,36,60,70,83,92,276,324,330,486, 3514,6062,10760,53958,58920,101892] |