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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 8 |
| 7 | 9 |
| 8 | 11 |
| 9 | 15 |
| 10 | 21 |
| 11 | 30 |
| 12 | 39 |
| 13 | 50 |
| 14 | 63 |
| 15 | 83 |
| 16 | 95 |
| 17 | 99 |
| 18 | 156 |
| 19 | 173 |
| 20 | 350 |
| 21 | 854 |
| 22 | 1308 |
| 23 | 1769 |
| 24 | 2903 |
| 25 | 5250 |
| 26 | 5345 |
| 27 | 5639 |
| 28 | 6195 |
| 29 | 7239 |
| 30 | 21368 |
| 31 | 41669 |
| 32 | 47684 |
| 33 | 58619 |
| 34 | 63515 |
| 35 | 69468 |
| 36 | 70539 |
| 37 | 133508 |
| 38 | 134993 |
| 39 | 187160 |
| 40 | 493095 |
[1,2,3,5,6,8,9,11,15,21,30,39,50,63,83,95,99,156, 173,350,854,1308,1769,2903,5250,5345,5639,6195, 7239,21368,41669,47684,58619,63515,69468,70539, 133508,134993,187160,493095] |