The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 6 |
| 5 | 9 |
| 6 | 10 |
| 7 | 11 |
| 8 | 13 |
| 9 | 15 |
| 10 | 16 |
| 11 | 18 |
| 12 | 19 |
| 13 | 21 |
| 14 | 22 |
| 15 | 23 |
| 16 | 24 |
| 17 | 27 |
| 18 | 28 |
| 19 | 29 |
| 20 | 30 |
| 21 | 31 |
| 22 | 33 |
| 23 | 34 |
[1,2,5,6,9,10,11,13,15,16,18,19,21,22,23,24,27,28, 29,30,31,33,34] |