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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 20 |
| 4 | 41 |
| 5 | 47 |
| 6 | 92 |
| 7 | 161 |
| 8 | 401 |
| 9 | 455 |
| 10 | 8570 |
| 11 | 18592 |
| 12 | 73714 |
| 13 | 78635 |
| 14 | 100780 |
[2,5,20,41,47,92,161,401,455,8570,18592,73714, 78635,100780] |