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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 97 |
| 5 | 1097 |
| 6 | 8916 |
| 7 | 130402 |
| 8 | 3242010 |
| 9 | 86620644 |
| 10 | 3376983746 |
| 11 | 210700614386 |
[1,5,14,97,1097,8916,130402,3242010,86620644, 3376983746,210700614386] |