n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 24 |
7 | 66 |
8 | 178 |
9 | 508 |
10 | 1464 |
11 | 4320 |
12 | 12886 |
13 | 38992 |
14 | 119030 |
15 | 366740 |
16 | 1138036 |
17 | 3554962 |
18 | 11167292 |
19 | 35259290 |
20 | 111825840 |
21 | 356100044 |
22 | 1138107490 |
23 | 3649507278 |
24 | 11738028470 |
25 | 37857909164 |
26 | 122411024822 |
[1,1,2,4,10,24,66,178,508,1464,4320,12886,38992, 119030,366740,1138036,3554962,11167292,35259290, 111825840,356100044,1138107490,3649507278, 11738028470,37857909164,122411024822] |