The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 9 |
| 7 | 12 |
| 8 | 18 |
| 9 | 22 |
| 10 | 102 |
| 11 | 112 |
| 12 | 157 |
| 13 | 162 |
| 14 | 289 |
| 15 | 619 |
| 16 | 763 |
| 17 | 1389 |
| 18 | 1783 |
| 19 | 1882 |
| 20 | 3294 |
| 21 | 3567 |
| 22 | 13297 |
| 23 | 14932 |
| 24 | 18954 |
| 25 | 19612 |
| 26 | 23598 |
| 27 | 33882 |
| 28 | 66874 |
| 29 | 70546 |
| 30 | 86568 |
| 31 | 187626 |
| 32 | 190738 |
[0,1,3,4,7,9,12,18,22,102,112,157,162,289,619,763, 1389,1783,1882,3294,3567,13297,14932,18954,19612, 23598,33882,66874,70546,86568,187626,190738] |