The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 5 |
| 4 | 14 |
| 5 | 28 |
| 6 | 34 |
| 7 | 209 |
| 8 | 398 |
| 9 | 482 |
| 10 | 904 |
| 11 | 1036 |
| 12 | 1748 |
| 13 | 2128 |
| 14 | 5998 |
| 15 | 7786 |
| 16 | 10402 |
| 17 | 18347 |
| 18 | 20806 |
| 19 | 33100 |
[2,4,5,14,28,34,209,398,482,904,1036,1748,2128, 5998,7786,10402,18347,20806,33100] |