n | a(n) |
---|---|
9 | 1 |
10 | 1 |
11 | 6 |
12 | 30 |
13 | 127 |
14 | 506 |
15 | 1902 |
16 | 6823 |
17 | 23673 |
18 | 79936 |
19 | 264036 |
20 | 856772 |
21 | 2739525 |
22 | 8652707 |
23 | 27049259 |
24 | 83824636 |
25 | 257847515 |
26 | 788121922 |
27 | 2395786374 |
28 | 7248517868 |
29 | 21840785100 |
30 | 65574504200 |
31 | 196266067194 |
32 | 585822825763 |
33 | 1744384025528 |
34 | 5183186173513 |
35 | 15372268502463 |
36 | 45515472900289 |
[1,1,6,30,127,506,1902,6823,23673,79936,264036, 856772,2739525,8652707,27049259,83824636, 257847515,788121922,2395786374,7248517868, 21840785100,65574504200,196266067194,585822825763, 1744384025528,5183186173513,15372268502463, 45515472900289] |