n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 19 |
5 | 195 |
6 | 3031 |
7 | 67263 |
8 | 2086099 |
9 | 89224635 |
10 | 5254054111 |
11 | 426609529863 |
12 | 47982981969979 |
13 | 7507894696005795 |
14 | 1641072554263066471 |
15 | 502596525992239961103 |
16 | 216218525837808950623459 |
17 | 130887167385831881114006475 |
18 | 111653218763166828863141636911 |
[1,1,3,19,195,3031,67263,2086099,89224635, 5254054111,426609529863,47982981969979, 7507894696005795,1641072554263066471, 502596525992239961103,216218525837808950623459, 130887167385831881114006475, 111653218763166828863141636911] |