n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 21 |
5 | 54 |
6 | 137 |
7 | 344 |
8 | 856 |
9 | 2113 |
10 | 5179 |
11 | 12614 |
12 | 30548 |
13 | 73595 |
14 | 176455 |
15 | 421215 |
16 | 1001388 |
17 | 2371678 |
18 | 5597245 |
19 | 13166069 |
20 | 30873728 |
21 | 72185937 |
22 | 168313391 |
23 | 391428622 |
24 | 908058205 |
25 | 2101629502 |
26 | 4853215947 |
27 | 11183551059 |
28 | 25718677187 |
29 | 59030344851 |
30 | 135237134812 |
[0,1,3,8,21,54,137,344,856,2113,5179,12614,30548, 73595,176455,421215,1001388,2371678,5597245, 13166069,30873728,72185937,168313391,391428622, 908058205,2101629502,4853215947,11183551059, 25718677187,59030344851,135237134812] |