n | a(n) |
---|---|
0 | 3 |
1 | 6 |
2 | 22 |
3 | 105 |
4 | 566 |
5 | 3256 |
6 | 19489 |
7 | 119713 |
8 | 748342 |
9 | 4735446 |
10 | 30229772 |
11 | 194242153 |
12 | 1254381857 |
13 | 8132826045 |
14 | 52900345681 |
15 | 345022543105 |
16 | 2255449994038 |
17 | 14773402692946 |
18 | 96935423713906 |
19 | 637019314585501 |
[3,6,22,105,566,3256,19489,119713,748342,4735446, 30229772,194242153,1254381857,8132826045, 52900345681,345022543105,2255449994038, 14773402692946,96935423713906,637019314585501] |