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| n | a(n) |
|---|---|
| 1 | 43046721 |
| 2 | 827 |
| 3 | 5879 |
| 4 | 163723 |
| 5 | 569947 |
| 6 | 811795 |
| 7 | 855715 |
| 8 | 1049539 |
| 9 | 1464331 |
| 10 | 2211763 |
| 11 | 3510715 |
| 12 | 6188179 |
| 13 | 16060459 |
| 14 | 36931171 |
| 15 | 74101531 |
| 16 | 139265491 |
| 17 | 305505067 |
| 18 | 600286819 |
| 19 | 1098007483 |
[43046721,827,5879,163723,569947,811795,855715, 1049539,1464331,2211763,3510715,6188179,16060459, 36931171,74101531,139265491,305505067,600286819, 1098007483] |