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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 11 |
| 3 | 143 |
| 4 | 4110 |
| 5 | 255651 |
| 6 | 34732937 |
| 7 | 10319681062 |
| 8 | 6744840113811 |
| 9 | 9736268648482947 |
| 10 | 31152408949342676906 |
| 11 | 221573405414594347811555 |
| 12 | 3511390061199964238627005057 |
| 13 | 124222798189336185449669887550302 |
[2,11,143,4110,255651,34732937,10319681062, 6744840113811,9736268648482947, 31152408949342676906,221573405414594347811555, 3511390061199964238627005057, 124222798189336185449669887550302] |