n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 21 |
4 | 315 |
5 | 9765 |
6 | 615195 |
7 | 78129765 |
8 | 19923090075 |
9 | 10180699028325 |
10 | 10414855105976475 |
11 | 21319208401933844325 |
12 | 87302158405919092510875 |
13 | 715091979502883286756577125 |
14 | 11715351900195736886933003038875 |
15 | 383876935713713710574133710574817125 |
[1,1,3,21,315,9765,615195,78129765,19923090075, 10180699028325,10414855105976475, 21319208401933844325,87302158405919092510875, 715091979502883286756577125, 11715351900195736886933003038875, 383876935713713710574133710574817125] |