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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 14 |
| 6 | 21 |
| 7 | 30 |
| 8 | 42 |
| 9 | 57 |
| 10 | 77 |
| 11 | 102 |
| 12 | 133 |
| 13 | 171 |
| 14 | 217 |
| 15 | 274 |
| 16 | 341 |
| 17 | 422 |
| 18 | 518 |
| 19 | 632 |
| 20 | 766 |
| 21 | 922 |
| 22 | 1106 |
| 23 | 1320 |
| 24 | 1565 |
| 25 | 1846 |
| 26 | 2171 |
| 27 | 2541 |
| 28 | 2967 |
| 29 | 3447 |
| 30 | 3996 |
| 31 | 4618 |
| 32 | 5321 |
| 33 | 6117 |
| 34 | 7018 |
| 35 | 8027 |
| 36 | 9162 |
| 37 | 10438 |
| 38 | 11858 |
| 39 | 13450 |
| 40 | 15225 |
| 41 | 17205 |
| 42 | 19400 |
| 43 | 21849 |
| 44 | 24573 |
| 45 | 27584 |
| 46 | 30916 |
| 47 | 34612 |
[3,4,6,9,14,21,30,42,57,77,102,133,171,217,274, 341,422,518,632,766,922,1106,1320,1565,1846,2171, 2541,2967,3447,3996,4618,5321,6117,7018,8027,9162, 10438,11858,13450,15225,17205,19400,21849,24573, 27584,30916,34612] |