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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 29 |
| 3 | 370 |
| 4 | 5752 |
| 5 | 82310 |
| 6 | 1232770 |
| 7 | 19119198 |
| 8 | 307914196 |
| 9 | 5020522468 |
| 10 | 89323885136 |
| 11 | 1708142066600 |
[3,29,370,5752,82310,1232770,19119198,307914196, 5020522468,89323885136,1708142066600] |