The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 8 |
| 8 | 9 |
| 9 | 10 |
| 10 | 12 |
| 11 | 14 |
| 12 | 15 |
| 13 | 16 |
| 14 | 18 |
| 15 | 20 |
| 16 | 24 |
| 17 | 28 |
| 18 | 30 |
| 19 | 36 |
| 20 | 40 |
| 21 | 42 |
| 22 | 48 |
| 23 | 60 |
| 24 | 72 |
| 25 | 84 |
| 26 | 90 |
| 27 | 96 |
| 28 | 120 |
| 29 | 180 |
[1,2,3,4,5,6,8,9,10,12,14,15,16,18,20,24,28,30,36, 40,42,48,60,72,84,90,96,120,180] |