n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 16 |
6 | 36 |
7 | 80 |
8 | 194 |
9 | 505 |
10 | 1439 |
11 | 4559 |
12 | 16580 |
13 | 70491 |
14 | 361339 |
15 | 2278637 |
16 | 17745061 |
17 | 166540680 |
18 | 1794040168 |
19 | 20987476447 |
20 | 254684454328 |
21 | 3107605995993 |
22 | 37418101305011 |
23 | 439995775004885 |
24 | 5025781692126252 |
25 | 55627454599068011 |
26 | 596148004493419480 |
27 | 6186335017615750870 |
28 | 62196701669630203157 |
[1,2,4,8,16,36,80,194,505,1439,4559,16580,70491, 361339,2278637,17745061,166540680,1794040168, 20987476447,254684454328,3107605995993, 37418101305011,439995775004885,5025781692126252, 55627454599068011,596148004493419480, 6186335017615750870,62196701669630203157] |