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| n | a(n) |
|---|---|
| 1 | 17560 |
| 2 | 37828 |
| 3 | 108950 |
| 4 | 403698 |
| 5 | 1739014 |
| 6 | 7437150 |
| 7 | 27085902 |
| 8 | 115826070 |
| 9 | 489226254 |
| 10 | 1807771102 |
| 11 | 7774449228 |
| 12 | 32691341010 |
| 13 | 120990997286 |
| 14 | 520891540644 |
| 15 | 2184829830574 |
| 16 | 8087677107470 |
| 17 | 34850307980588 |
| 18 | 145865794236954 |
[17560,37828,108950,403698,1739014,7437150, 27085902,115826070,489226254,1807771102, 7774449228,32691341010,120990997286,520891540644, 2184829830574,8087677107470,34850307980588, 145865794236954] |