n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 61 |
4 | 679 |
5 | 9150 |
6 | 144186 |
7 | 2594410 |
8 | 52390030 |
9 | 1171745575 |
10 | 28726923225 |
11 | 765549820035 |
12 | 22022976400425 |
13 | 679930906554900 |
14 | 22417065396425700 |
15 | 785869955615745000 |
16 | 29184350973268491000 |
17 | 1144300243940081353125 |
18 | 47232865043365173046875 |
19 | 2047016588845893645605625 |
[1,1,7,61,679,9150,144186,2594410,52390030, 1171745575,28726923225,765549820035, 22022976400425,679930906554900,22417065396425700, 785869955615745000,29184350973268491000, 1144300243940081353125,47232865043365173046875, 2047016588845893645605625] |