n | a(n) |
---|---|
0 | -1 |
1 | -1 |
2 | 1 |
3 | 23 |
4 | 199 |
5 | 2297 |
6 | 30013 |
7 | 510491 |
8 | 9699667 |
9 | 223092841 |
10 | 6469693199 |
11 | 200560490093 |
12 | 7420738134769 |
13 | 304250263527167 |
14 | 13082761331669983 |
15 | 614889782588491357 |
16 | 32589158477190044671 |
17 | 1922760350154212639009 |
[-1,-1,1,23,199,2297,30013,510491,9699667, 223092841,6469693199,200560490093,7420738134769, 304250263527167,13082761331669983, 614889782588491357,32589158477190044671, 1922760350154212639009] |