| n | a(n) |
|---|---|
| 1 | 27168 |
| 2 | 1226262 |
| 3 | 56299040 |
| 4 | 2691633954 |
| 5 | 130035577996 |
| 6 | 6347865358508 |
| 7 | 310963707906138 |
| 8 | 15274560591620964 |
| 9 | 751073391280421888 |
| 10 | 36957869813931113212 |
| 11 | 1819126826191635846630 |
| 12 | 89557552344337187734464 |
[27168,1226262,56299040,2691633954,130035577996, 6347865358508,310963707906138,15274560591620964, 751073391280421888,36957869813931113212, 1819126826191635846630,89557552344337187734464] |