n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 31 |
5 | 84 |
6 | 233 |
7 | 656 |
8 | 1865 |
9 | 5338 |
10 | 15355 |
11 | 44342 |
12 | 128455 |
13 | 373100 |
14 | 1086087 |
15 | 3167634 |
16 | 9254009 |
17 | 27074666 |
18 | 79316491 |
19 | 232633206 |
20 | 683026535 |
21 | 2007327660 |
22 | 5904415195 |
23 | 17381265934 |
24 | 51203990457 |
25 | 150945252394 |
26 | 445252685313 |
[1,2,5,12,31,84,233,656,1865,5338,15355,44342, 128455,373100,1086087,3167634,9254009,27074666, 79316491,232633206,683026535,2007327660, 5904415195,17381265934,51203990457,150945252394, 445252685313] |