n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 34 |
4 | 72 |
5 | 331 |
6 | 1425 |
7 | 5297 |
8 | 18573 |
9 | 84658 |
10 | 341907 |
11 | 1283578 |
12 | 5514353 |
13 | 22476568 |
14 | 88705477 |
15 | 368744149 |
16 | 1503571517 |
17 | 6058762423 |
18 | 24862968921 |
19 | 101355031741 |
20 | 411492561255 |
21 | 1680909735969 |
22 | 6851310177747 |
23 | 27886986592236 |
24 | 113739441284254 |
[2,10,34,72,331,1425,5297,18573,84658,341907, 1283578,5514353,22476568,88705477,368744149, 1503571517,6058762423,24862968921,101355031741, 411492561255,1680909735969,6851310177747, 27886986592236,113739441284254] |