n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 27 |
4 | 321 |
5 | 2265 |
6 | 37575 |
7 | 390915 |
8 | 8281665 |
9 | 114610545 |
10 | 2946939975 |
11 | 51083368875 |
12 | 1542234996225 |
13 | 32192256321225 |
14 | 1114841223671175 |
15 | 27254953356505875 |
16 | 1064057291370698625 |
17 | 29845288035840902625 |
18 | 1296073464766972266375 |
19 | 41049997128507054562875 |
[1,1,7,27,321,2265,37575,390915,8281665,114610545, 2946939975,51083368875,1542234996225, 32192256321225,1114841223671175,27254953356505875, 1064057291370698625,29845288035840902625, 1296073464766972266375,41049997128507054562875] |