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 | 6 |
| 6 | 10 |
| 7 | 17 |
| 8 | 18 |
| 9 | 22 |
| 10 | 23 |
| 11 | 25 |
| 12 | 29 |
| 13 | 30 |
| 14 | 31 |
| 15 | 38 |
| 16 | 39 |
| 17 | 41 |
| 18 | 42 |
| 19 | 46 |
| 20 | 49 |
| 21 | 50 |
| 22 | 52 |
| 23 | 55 |
| 24 | 57 |
| 25 | 58 |
| 26 | 62 |
| 27 | 65 |
| 28 | 66 |
| 29 | 67 |
| 30 | 70 |
[1,2,3,4,6,10,17,18,22,23,25,29,30,31,38,39,41,42, 46,49,50,52,55,57,58,62,65,66,67,70] |