n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 41 |
6 | 178 |
7 | 1583 |
8 | 3573 |
9 | 15205 |
10 | 106206 |
11 | 1931645 |
12 | 5047298 |
13 | 26136085 |
14 | 128396115 |
15 | 1309192204 |
16 | 40241522045 |
17 | 123336716525 |
18 | 727042897270 |
19 | 3945269219753 |
20 | 27068403237870 |
21 | 342602269335547 |
22 | 17547655257500369 |
[1,2,3,7,21,41,178,1583,3573,15205,106206,1931645, 5047298,26136085,128396115,1309192204,40241522045, 123336716525,727042897270,3945269219753, 27068403237870,342602269335547,17547655257500369] |