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 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
| 11 | 11 |
| 12 | 15 |
| 13 | 43 |
| 14 | 45 |
| 15 | 67 |
| 16 | 78 |
| 17 | 205 |
| 18 | 207 |
| 19 | 1109 |
| 20 | 1116 |
| 21 | 1117 |
| 22 | 1155 |
| 23 | 1162 |
| 24 | 1163 |
| 25 | 1171 |
| 26 | 1711 |
| 27 | 1712 |
| 28 | 1828 |
| 29 | 1829 |
[1,2,3,4,5,6,7,8,9,10,11,15,43,45,67,78,205,207, 1109,1116,1117,1155,1162,1163,1171,1711,1712,1828, 1829] |