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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 41 |
| 4 | 362 |
| 5 | 3325 |
| 6 | 32802 |
| 7 | 336055 |
| 8 | 3552027 |
| 9 | 38413793 |
| 10 | 423087907 |
| 11 | 4729090301 |
| 12 | 53509230007 |
[1,7,41,362,3325,32802,336055,3552027,38413793, 423087907,4729090301,53509230007] |