n | a(n) |
---|---|
4 | 1 |
5 | 5 |
6 | 30 |
7 | 175 |
8 | 1015 |
9 | 6111 |
10 | 38010 |
11 | 244035 |
12 | 1624425 |
13 | 11187605 |
14 | 79695616 |
15 | 586787565 |
16 | 4460703065 |
17 | 34979737625 |
18 | 282686608170 |
19 | 2352035472141 |
20 | 20130594430095 |
21 | 177076978131795 |
22 | 1599554765785900 |
23 | 14826174374092235 |
24 | 140904888153964011 |
25 | 1372081103132069275 |
[1,5,30,175,1015,6111,38010,244035,1624425, 11187605,79695616,586787565,4460703065, 34979737625,282686608170,2352035472141, 20130594430095,177076978131795,1599554765785900, 14826174374092235,140904888153964011, 1372081103132069275] |