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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 43 |
| 3 | 42 |
| 4 | 305 |
| 5 | 2351 |
| 6 | 38826 |
| 7 | 299659 |
| 8 | 1231691 |
| 9 | 5238322 |
| 10 | 26129353 |
| 11 | 141788701 |
| 12 | 1086218484 |
| 13 | 7344638998 |
| 14 | 38637965991 |
| 15 | 209973350431 |
| 16 | 1159411392373 |
| 17 | 6436583617125 |
| 18 | 39481503993996 |
| 19 | 240320932969724 |
| 20 | 1381481638118489 |
[17,43,42,305,2351,38826,299659,1231691,5238322, 26129353,141788701,1086218484,7344638998, 38637965991,209973350431,1159411392373, 6436583617125,39481503993996,240320932969724, 1381481638118489] |