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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 113 |
| 3 | 1815 |
| 4 | 29153 |
| 5 | 468263 |
| 6 | 7521361 |
| 7 | 120810039 |
| 8 | 1940481985 |
| 9 | 31168521799 |
| 10 | 500636830769 |
[7,113,1815,29153,468263,7521361,120810039, 1940481985,31168521799,500636830769] |