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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 7 |
| 6 | 9 |
| 7 | 11 |
| 8 | 14 |
| 9 | 18 |
| 10 | 21 |
| 11 | 63 |
| 12 | 101 |
| 13 | 119 |
| 14 | 134 |
| 15 | 177 |
| 16 | 196 |
| 17 | 255 |
| 18 | 318 |
| 19 | 360 |
| 20 | 483 |
| 21 | 1092 |
| 22 | 1953 |
| 23 | 2793 |
| 24 | 3453 |
| 25 | 4302 |
| 26 | 5445 |
| 27 | 5687 |
| 28 | 5955 |
| 29 | 6027 |
| 30 | 6077 |
| 31 | 9483 |
| 32 | 16521 |
| 33 | 23026 |
| 34 | 28095 |
| 35 | 76139 |
| 36 | 125199 |
| 37 | 135082 |
| 38 | 209601 |
| 39 | 518238 |
| 40 | 573590 |
| 41 | 993891 |
[1,2,3,6,7,9,11,14,18,21,63,101,119,134,177,196, 255,318,360,483,1092,1953,2793,3453,4302,5445, 5687,5955,6027,6077,9483,16521,23026,28095,76139, 125199,135082,209601,518238,573590,993891] |