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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 34 |
| 3 | 551 |
| 4 | 6338 |
| 5 | 72319 |
| 6 | 809360 |
| 7 | 9543704 |
| 8 | 104376285 |
| 9 | 1136782466 |
| 10 | 12273965395 |
| 11 | 134080968533 |
| 12 | 1448607569210 |
[2,34,551,6338,72319,809360,9543704,104376285, 1136782466,12273965395,134080968533,1448607569210] |