n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 40 |
6 | 116 |
7 | 339 |
8 | 996 |
9 | 2937 |
10 | 8684 |
11 | 25729 |
12 | 76352 |
13 | 226868 |
14 | 674806 |
15 | 2008907 |
16 | 5984886 |
17 | 17841024 |
18 | 53212500 |
19 | 158784033 |
20 | 473995320 |
21 | 1415449578 |
22 | 4228149450 |
23 | 12633596331 |
24 | 37758241434 |
25 | 112873961079 |
26 | 337492122822 |
27 | 1009283640669 |
28 | 3018807519506 |
29 | 9030752740042 |
[1,2,5,14,40,116,339,996,2937,8684,25729,76352, 226868,674806,2008907,5984886,17841024,53212500, 158784033,473995320,1415449578,4228149450, 12633596331,37758241434,112873961079,337492122822, 1009283640669,3018807519506,9030752740042] |