n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 17 |
4 | 19 |
5 | 81 |
6 | 8351 |
7 | 184553 |
8 | 52907 |
9 | 1768847 |
10 | 70442753 |
11 | 1096172081 |
12 | 22198464713 |
13 | 195894185831 |
14 | 42653714271997 |
15 | 30188596935106763 |
16 | 20689743895700791 |
17 | 670597992748852241 |
18 | 71867806446352961329 |
19 | 8445943795439038164379 |
20 | 379371134635840861537 |
[1,1,3,17,19,81,8351,184553,52907,1768847, 70442753,1096172081,22198464713,195894185831, 42653714271997,30188596935106763, 20689743895700791,670597992748852241, 71867806446352961329,8445943795439038164379, 379371134635840861537] |