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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 191 |
| 2 | 39670362 |
| 3 | 4742588317460 |
| 4 | 457373823022288900 |
| 5 | 39758207592119720043060 |
| 6 | 3253001744463113558023410456 |
| 7 | 255859318139167527752722081113072 |
[0,191,39670362,4742588317460,457373823022288900, 39758207592119720043060, 3253001744463113558023410456, 255859318139167527752722081113072] |