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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 214 |
| 3 | 14258 |
| 4 | 613950 |
| 5 | 24620522 |
| 6 | 967878370 |
| 7 | 37121438930 |
| 8 | 1401569558590 |
| 9 | 52383342552410 |
| 10 | 1938999772255314 |
| 11 | 71224141762895090 |
[2,214,14258,613950,24620522,967878370, 37121438930,1401569558590,52383342552410, 1938999772255314,71224141762895090] |