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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 148 |
| 3 | 1924 |
| 4 | 13807 |
| 5 | 49702 |
| 6 | 2458885 |
| 7 | 9470344 |
| 8 | 186557266 |
| 9 | 523551502 |
| 10 | 191278379839 |
| 11 | 4368196101671 |
[1,148,1924,13807,49702,2458885,9470344,186557266, 523551502,191278379839,4368196101671] |