n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 35 |
3 | 105 |
4 | 273 |
5 | 4095 |
6 | 38115 |
7 | 86625 |
8 | 540225 |
9 | 22444695 |
10 | 215417475 |
11 | 1819488825 |
12 | 18942548625 |
13 | 273922023375 |
14 | 9015078147075 |
15 | 69890980784625 |
16 | -152873391045375 |
17 | 34948775541054375 |
18 | 718624343013451875 |
19 | 6694758964203935625 |
[1,7,35,105,273,4095,38115,86625,540225,22444695, 215417475,1819488825,18942548625,273922023375, 9015078147075,69890980784625,-152873391045375, 34948775541054375,718624343013451875, 6694758964203935625] |