n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 10 |
5 | 501 |
6 | 20 |
7 | 100843 |
8 | 2058 |
9 | 354301 |
10 | 4502 |
11 | 23579476911 |
12 | 6940 |
13 | 21505924728445 |
14 | 3327788 |
15 | 1366875507 |
16 | 2147485706 |
17 | 45798768824157052689 |
18 | 11691722 |
19 | 98646963440126439346903 |
20 | 10240004510 |
21 | 4203330006607501 |
[1,2,7,10,501,20,100843,2058,354301,4502, 23579476911,6940,21505924728445,3327788, 1366875507,2147485706,45798768824157052689, 11691722,98646963440126439346903,10240004510, 4203330006607501] |