n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 35 |
5 | 112 |
6 | 353 |
7 | 1111 |
8 | 3490 |
9 | 10966 |
10 | 34451 |
11 | 108231 |
12 | 340019 |
13 | 1068203 |
14 | 3355859 |
15 | 10542742 |
16 | 33121003 |
17 | 104052699 |
18 | 326891197 |
19 | 1026958985 |
20 | 3226286805 |
21 | 10135678925 |
22 | 31842174452 |
23 | 100035141333 |
24 | 314269665113 |
25 | 987307271166 |
[0,1,3,11,35,112,353,1111,3490,10966,34451,108231, 340019,1068203,3355859,10542742,33121003, 104052699,326891197,1026958985,3226286805, 10135678925,31842174452,100035141333,314269665113, 987307271166] |