n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 18 |
5 | 42 |
6 | 104 |
7 | 246 |
8 | 594 |
9 | 1416 |
10 | 3391 |
11 | 8084 |
12 | 19312 |
13 | 46041 |
14 | 109829 |
15 | 261827 |
16 | 624254 |
17 | 1487981 |
18 | 3546883 |
19 | 8453770 |
20 | 20149014 |
21 | 48021864 |
22 | 114451536 |
23 | 272769936 |
24 | 650084053 |
25 | 1549312743 |
[1,3,7,18,42,104,246,594,1416,3391,8084,19312, 46041,109829,261827,624254,1487981,3546883, 8453770,20149014,48021864,114451536,272769936, 650084053,1549312743] |