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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1335 |
| 2 | 1757970 |
| 3 | 2386445040 |
| 4 | 3336565609080 |
| 5 | 4780478992153590 |
| 6 | 6986981484124227300 |
| 7 | 10379857332015914783040 |
| 8 | 15630336095483779833585240 |
| 9 | 23805745537435619756724715080 |
| 10 | 36609525021962109091946530420080 |
[1,1335,1757970,2386445040,3336565609080, 4780478992153590,6986981484124227300, 10379857332015914783040, 15630336095483779833585240, 23805745537435619756724715080, 36609525021962109091946530420080] |