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| n | a(n) |
|---|---|
| 1 | 43 |
| 2 | 265 |
| 3 | 1634 |
| 4 | 10082 |
| 5 | 62249 |
| 6 | 384605 |
| 7 | 2377935 |
| 8 | 14712729 |
| 9 | 91096234 |
| 10 | 564452368 |
| 11 | 3500093507 |
| 12 | 21720172553 |
| 13 | 134891317195 |
| 14 | 838393028557 |
| 15 | 5215069599851 |
| 16 | 32465881779821 |
| 17 | 202280863699652 |
| 18 | 1261388175969986 |
| 19 | 7872540872887539 |
[43,265,1634,10082,62249,384605,2377935,14712729, 91096234,564452368,3500093507,21720172553, 134891317195,838393028557,5215069599851, 32465881779821,202280863699652,1261388175969986, 7872540872887539] |