n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 5 |
4 | 10 |
5 | 21 |
6 | 55 |
7 | 182 |
8 | 357 |
9 | 1105 |
10 | 2958 |
11 | 16588 |
12 | 51243 |
13 | 106981 |
14 | 608685 |
15 | 3003455 |
16 | 7497910 |
17 | 52350909 |
18 | 168539462 |
19 | 1822961393 |
20 | 3079378759 |
[2,3,5,10,21,55,182,357,1105,2958,16588,51243, 106981,608685,3003455,7497910,52350909,168539462, 1822961393,3079378759] |