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| n | a(n) |
|---|---|
| 0 | 17 |
| 1 | 52 |
| 2 | 433 |
| 3 | 1351 |
| 4 | 46367 |
| 5 | 140452 |
| 6 | 1169983 |
| 7 | 3650401 |
| 8 | 125283617 |
| 9 | 379501252 |
| 10 | 3161293633 |
| 11 | 9863382151 |
| 12 | 338516286767 |
| 13 | 1025412242452 |
| 14 | 8541814226383 |
| 15 | 26650854921601 |
| 16 | 914670881560817 |
| 17 | 2770663499604052 |
| 18 | 23079978878393233 |
| 19 | 72010600134783751 |
| 20 | 2471440383461040767 |
[17,52,433,1351,46367,140452,1169983,3650401, 125283617,379501252,3161293633,9863382151, 338516286767,1025412242452,8541814226383, 26650854921601,914670881560817,2770663499604052, 23079978878393233,72010600134783751, 2471440383461040767] |