| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 8 |
| 3 | 15 |
| 4 | 20 |
| 5 | 21 |
| 6 | 28 |
| 7 | 45 |
| 8 | 60 |
| 9 | 63 |
| 10 | 84 |
| 11 | 112 |
| 12 | 180 |
| 13 | 189 |
| 14 | 252 |
| 15 | 275 |
| 16 | 660 |
| 17 | 693 |
| 18 | 924 |
| 19 | 1232 |
| 20 | 1326 |
| 21 | 1768 |
| 22 | 1974 |
| 23 | 2632 |
| 24 | 4026 |
| 25 | 5368 |
| 26 | 6405 |
| 27 | 8200 |
| 28 | 8319 |
| 29 | 11092 |
| 30 | 11715 |
| 31 | 15620 |
| 32 | 16401 |
| 33 | 19720 |
| 34 | 20706 |
| 35 | 20880 |
| 36 | 20910 |
| 37 | 24752 |
| 38 | 24960 |
| 39 | 25300 |
| 40 | 26565 |
| 41 | 29716 |
[6,8,15,20,21,28,45,60,63,84,112,180,189,252,275, 660,693,924,1232,1326,1768,1974,2632,4026,5368, 6405,8200,8319,11092,11715,15620,16401,19720, 20706,20880,20910,24752,24960,25300,26565,29716] |