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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 10 |
| 4 | 30 |
| 5 | 42 |
| 6 | 70 |
| 7 | 22 |
| 8 | 66 |
| 9 | 330 |
| 10 | 770 |
| 11 | 2310 |
| 12 | 130 |
| 13 | 182 |
| 14 | 546 |
| 15 | 2730 |
| 16 | 1430 |
| 17 | 6006 |
| 18 | 10010 |
| 19 | 102 |
| 20 | 510 |
| 21 | 238 |
| 22 | 3570 |
| 23 | 1122 |
| 24 | 2618 |
| 25 | 442 |
| 26 | 2210 |
| 27 | 6630 |
| 28 | 9282 |
| 29 | 15470 |
| 30 | 4862 |
| 31 | 510510 |
| 32 | 114 |
| 33 | 266 |
| 34 | 798 |
| 35 | 2090 |
| 36 | 6270 |
| 37 | 14630 |
| 38 | 1482 |
| 39 | 7410 |
| 40 | 17290 |
| 41 | 16302 |
| 42 | 27170 |
| 43 | 570570 |
| 44 | 646 |
| 45 | 3230 |
[3,6,10,30,42,70,22,66,330,770,2310,130,182,546, 2730,1430,6006,10010,102,510,238,3570,1122,2618, 442,2210,6630,9282,15470,4862,510510,114,266,798, 2090,6270,14630,1482,7410,17290,16302,27170, 570570,646,3230] |