n | a(n) |
---|---|
1 | 3 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 6 |
8 | 13 |
9 | 29 |
10 | 67 |
11 | 157 |
12 | 376 |
13 | 919 |
14 | 2287 |
15 | 5786 |
16 | 14843 |
17 | 38545 |
18 | 101191 |
19 | 268240 |
20 | 717284 |
21 | 1933182 |
22 | 5247494 |
23 | 14336822 |
24 | 39403558 |
25 | 108890190 |
26 | 302431354 |
27 | 843887738 |
28 | 2364914235 |
29 | 6654072084 |
30 | 18792428153 |
31 | 53259258086 |
32 | 151435540432 |
[3,1,0,1,1,3,6,13,29,67,157,376,919,2287,5786, 14843,38545,101191,268240,717284,1933182,5247494, 14336822,39403558,108890190,302431354,843887738, 2364914235,6654072084,18792428153,53259258086, 151435540432] |