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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 10 |
| 6 | 12 |
| 7 | 15 |
| 8 | 18 |
| 9 | 20 |
| 10 | 21 |
| 11 | 30 |
| 12 | 42 |
| 13 | 60 |
| 14 | 70 |
| 15 | 105 |
| 16 | 210 |
| 17 | 385 |
| 18 | 770 |
| 19 | 1155 |
| 20 | 2310 |
| 21 | 4620 |
| 22 | 5005 |
| 23 | 10010 |
| 24 | 15015 |
| 25 | 30030 |
| 26 | 60060 |
| 27 | 90090 |
| 28 | 120120 |
| 29 | 150150 |
| 30 | 180180 |
| 31 | 210210 |
| 32 | 240240 |
| 33 | 255255 |
| 34 | 510510 |
[1,3,4,6,10,12,15,18,20,21,30,42,60,70,105,210, 385,770,1155,2310,4620,5005,10010,15015,30030, 60060,90090,120120,150150,180180,210210,240240, 255255,510510] |