n | a(n) |
---|---|
1 | 8 |
2 | 22 |
3 | 56 |
4 | 124 |
5 | 270 |
6 | 560 |
7 | 1156 |
8 | 2336 |
9 | 4714 |
10 | 9418 |
11 | 18812 |
12 | 37400 |
13 | 74374 |
14 | 147596 |
15 | 293042 |
16 | 581384 |
17 | 1154070 |
18 | 2290670 |
19 | 4549186 |
20 | 9036466 |
21 | 17959458 |
22 | 35705544 |
23 | 71021240 |
24 | 141319688 |
25 | 281322224 |
26 | 560223850 |
27 | 1116045988 |
28 | 2224048908 |
29 | 4433497296 |
[8,22,56,124,270,560,1156,2336,4714,9418,18812, 37400,74374,147596,293042,581384,1154070,2290670, 4549186,9036466,17959458,35705544,71021240, 141319688,281322224,560223850,1116045988, 2224048908,4433497296] |