n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 90 |
5 | 2025 |
6 | 102060 |
7 | 11573604 |
8 | 2946308904 |
9 | 1687603650084 |
10 | 2171945897658108 |
11 | 6289412333143466241 |
12 | 40940643700218614247324 |
13 | 599627833263501883888374756 |
14 | 19747212169938041691404746667280 |
15 | 1463229065460461810019231236067824400 |
[1,1,2,9,90,2025,102060,11573604,2946308904, 1687603650084,2171945897658108, 6289412333143466241,40940643700218614247324, 599627833263501883888374756, 19747212169938041691404746667280, 1463229065460461810019231236067824400] |