n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 19 |
3 | 117 |
4 | 721 |
5 | 4443 |
6 | 27379 |
7 | 168717 |
8 | 1039681 |
9 | 6406803 |
10 | 39480499 |
11 | 243289797 |
12 | 1499219281 |
13 | 9238605483 |
14 | 56930852179 |
15 | 350823718557 |
16 | 2161873163521 |
17 | 13322062699683 |
18 | 82094249361619 |
19 | 505887558869397 |
20 | 3117419602578001 |
21 | 19210405174337403 |
22 | 118379850648602419 |
[1,3,19,117,721,4443,27379,168717,1039681,6406803, 39480499,243289797,1499219281,9238605483, 56930852179,350823718557,2161873163521, 13322062699683,82094249361619,505887558869397, 3117419602578001,19210405174337403, 118379850648602419] |