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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 15 |
| 3 | 5 |
| 4 | 105 |
| 5 | 210 |
| 6 | 42 |
| 7 | 630 |
| 8 | 990 |
| 9 | 165 |
| 10 | 2145 |
| 11 | 3003 |
| 12 | 455 |
| 13 | 5460 |
| 14 | 7140 |
| 15 | 1020 |
| 16 | 11628 |
| 17 | 14535 |
| 18 | 1995 |
| 19 | 21945 |
| 20 | 26565 |
| 21 | 3542 |
| 22 | 37950 |
| 23 | 44850 |
| 24 | 5850 |
| 25 | 61425 |
| 26 | 71253 |
| 27 | 9135 |
| 28 | 94395 |
| 29 | 107880 |
| 30 | 13640 |
| 31 | 139128 |
| 32 | 157080 |
| 33 | 19635 |
| 34 | 198135 |
| 35 | 221445 |
| 36 | 27417 |
| 37 | 274170 |
| 38 | 303810 |
| 39 | 37310 |
| 40 | 370230 |
| 41 | 407253 |
| 42 | 49665 |
[3,15,5,105,210,42,630,990,165,2145,3003,455,5460, 7140,1020,11628,14535,1995,21945,26565,3542,37950, 44850,5850,61425,71253,9135,94395,107880,13640, 139128,157080,19635,198135,221445,27417,274170, 303810,37310,370230,407253,49665] |