n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 24 |
7 | 66 |
8 | 174 |
9 | 504 |
10 | 1406 |
11 | 4210 |
12 | 12198 |
13 | 37378 |
14 | 111278 |
15 | 346846 |
16 | 1053874 |
17 | 3328188 |
18 | 10274466 |
19 | 32786630 |
20 | 102511418 |
21 | 329903058 |
22 | 1042277722 |
23 | 3377919260 |
24 | 10765024432 |
25 | 35095839848 |
26 | 112670468128 |
27 | 369192702554 |
28 | 1192724674590 |
29 | 3925446804750 |
[1,1,2,4,10,24,66,174,504,1406,4210,12198,37378, 111278,346846,1053874,3328188,10274466,32786630, 102511418,329903058,1042277722,3377919260, 10765024432,35095839848,112670468128,369192702554, 1192724674590,3925446804750] |