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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 30 |
| 2 | 585 |
| 3 | 9410 |
| 4 | 135741 |
| 5 | 1826910 |
| 6 | 23449345 |
| 7 | 290918970 |
| 8 | 3519263781 |
| 9 | 41763254390 |
| 10 | 488289628905 |
| 11 | 5642683638930 |
| 12 | 64604625484621 |
| 13 | 734199837187470 |
| 14 | 8294002882781265 |
| 15 | 93241186270173290 |
| 16 | 1044092739977046261 |
[1,30,585,9410,135741,1826910,23449345,290918970, 3519263781,41763254390,488289628905,5642683638930, 64604625484621,734199837187470,8294002882781265, 93241186270173290,1044092739977046261] |