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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 11 |
| 6 | 12 |
| 7 | 18 |
| 8 | 30 |
| 9 | 42 |
| 10 | 78 |
| 11 | 106 |
| 12 | 210 |
| 13 | 366 |
| 14 | 550 |
| 15 | 603 |
| 16 | 750 |
| 17 | 1290 |
| 18 | 2562 |
| 19 | 4398 |
| 20 | 4305 |
| 21 | 7470 |
| 22 | 9090 |
| 23 | 14322 |
| 24 | 24558 |
| 25 | 35382 |
| 26 | 55482 |
| 27 | 78020 |
| 28 | 141190 |
| 29 | 207519 |
| 30 | 301642 |
| 31 | 429870 |
| 32 | 552693 |
| 33 | 684846 |
| 34 | 1060710 |
| 35 | 1391390 |
| 36 | 2385246 |
| 37 | 3454044 |
[1,2,3,6,10,11,12,18,30,42,78,106,210,366,550,603, 750,1290,2562,4398,4305,7470,9090,14322,24558, 35382,55482,78020,141190,207519,301642,429870, 552693,684846,1060710,1391390,2385246,3454044] |