n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 140 |
4 | 105 |
5 | 2310 |
6 | 15015 |
7 | 120120 |
8 | 85085 |
9 | 9699690 |
10 | 4849845 |
11 | 446185740 |
12 | 557732175 |
13 | 3346393050 |
14 | 48522699225 |
15 | 24067258815600 |
16 | 1504203675975 |
17 | 3008407351950 |
18 | 55655536011075 |
19 | 222622144044300 |
20 | 2281876976454075 |
[2,5,140,105,2310,15015,120120,85085,9699690, 4849845,446185740,557732175,3346393050, 48522699225,24067258815600,1504203675975, 3008407351950,55655536011075,222622144044300, 2281876976454075] |