n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 22 |
3 | 50 |
4 | 106 |
5 | 218 |
6 | 442 |
7 | 890 |
8 | 1786 |
9 | 3578 |
10 | 7162 |
11 | 14330 |
12 | 28666 |
13 | 57338 |
14 | 114682 |
15 | 229370 |
16 | 458746 |
17 | 917498 |
18 | 1835002 |
19 | 3670010 |
20 | 7340026 |
21 | 14680058 |
22 | 29360122 |
23 | 58720250 |
24 | 117440506 |
25 | 234881018 |
26 | 469762042 |
27 | 939524090 |
28 | 1879048186 |
[1,8,22,50,106,218,442,890,1786,3578,7162,14330, 28666,57338,114682,229370,458746,917498,1835002, 3670010,7340026,14680058,29360122,58720250, 117440506,234881018,469762042,939524090, 1879048186] |