n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 37 |
5 | 151 |
6 | 657 |
7 | 2989 |
8 | 14044 |
9 | 67626 |
10 | 332061 |
11 | 1656893 |
12 | 8379773 |
13 | 42871890 |
14 | 221528317 |
15 | 1154624725 |
16 | 6063752579 |
17 | 32058277129 |
18 | 170492969062 |
19 | 911505351447 |
20 | 4896187116904 |
21 | 26411691702030 |
22 | 143019573086693 |
23 | 777143219649275 |
24 | 4236216759058815 |
[1,1,3,10,37,151,657,2989,14044,67626,332061, 1656893,8379773,42871890,221528317,1154624725, 6063752579,32058277129,170492969062,911505351447, 4896187116904,26411691702030,143019573086693, 777143219649275,4236216759058815] |