n | a(n) |
---|---|
1 | 5 |
2 | 15 |
3 | 105 |
4 | 6510 |
5 | 156240 |
6 | 12655440 |
7 | 11554416720 |
8 | 12675195141840 |
9 | 10571112748294560 |
10 | 14112435518973237600 |
11 | 77999431113365084215200 |
12 | 45317669476865113929031200 |
13 | 136995314828563239407461317600 |
[5,15,105,6510,156240,12655440,11554416720, 12675195141840,10571112748294560, 14112435518973237600,77999431113365084215200, 45317669476865113929031200, 136995314828563239407461317600] |