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| n | a(n) |
|---|---|
| 1 | 110 |
| 2 | 1140 |
| 3 | 9315 |
| 4 | 63536 |
| 5 | 371914 |
| 6 | 1940081 |
| 7 | 9154020 |
| 8 | 39669535 |
| 9 | 159795143 |
| 10 | 604317755 |
| 11 | 2164002652 |
| 12 | 7386075428 |
| 13 | 24162161452 |
| 14 | 76101692844 |
| 15 | 231700113837 |
[110,1140,9315,63536,371914,1940081,9154020, 39669535,159795143,604317755,2164002652, 7386075428,24162161452,76101692844,231700113837] |