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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 6 |
| 4 | 12 |
| 5 | 18 |
| 6 | 30 |
| 7 | 42 |
| 8 | 60 |
| 9 | 90 |
| 10 | 126 |
| 11 | 210 |
| 12 | 252 |
| 13 | 420 |
| 14 | 630 |
| 15 | 840 |
| 16 | 1260 |
| 17 | 1680 |
| 18 | 2730 |
| 19 | 3276 |
| 20 | 5460 |
| 21 | 8190 |
| 22 | 10920 |
| 23 | 16380 |
| 24 | 21840 |
| 25 | 32760 |
| 26 | 40950 |
| 27 | 65520 |
| 28 | 90090 |
| 29 | 120120 |
| 30 | 180180 |
| 31 | 253890 |
| 32 | 360360 |
| 33 | 507780 |
| 34 | 720720 |
| 35 | 1015560 |
| 36 | 1332240 |
| 37 | 2031120 |
| 38 | 2792790 |
| 39 | 3996720 |
| 40 | 5585580 |
[2,6,6,12,18,30,42,60,90,126,210,252,420,630,840, 1260,1680,2730,3276,5460,8190,10920,16380,21840, 32760,40950,65520,90090,120120,180180,253890, 360360,507780,720720,1015560,1332240,2031120, 2792790,3996720,5585580] |