n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 37 |
5 | 111 |
6 | 355 |
7 | 1191 |
8 | 4201 |
9 | 15445 |
10 | 59171 |
11 | 234983 |
12 | 966397 |
13 | 4101709 |
14 | 17946783 |
15 | 80754331 |
16 | 373286481 |
17 | 1769440513 |
18 | 8592681907 |
19 | 42689422871 |
20 | 216789872741 |
21 | 1124107246669 |
22 | 5947013363479 |
23 | 32071798826115 |
24 | 176194545585529 |
25 | 985330955637801 |
26 | 5605802379087067 |
[1,2,5,13,37,111,355,1191,4201,15445,59171,234983, 966397,4101709,17946783,80754331,373286481, 1769440513,8592681907,42689422871,216789872741, 1124107246669,5947013363479,32071798826115, 176194545585529,985330955637801,5605802379087067] |