n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 8 |
6 | 16 |
7 | 44 |
8 | 106 |
9 | 297 |
10 | 793 |
11 | 2259 |
12 | 6322 |
13 | 18212 |
14 | 52240 |
15 | 151818 |
16 | 440855 |
17 | 1288842 |
18 | 3767952 |
19 | 11058157 |
20 | 32452285 |
21 | 95467258 |
[1,1,2,3,8,16,44,106,297,793,2259,6322,18212, 52240,151818,440855,1288842,3767952,11058157, 32452285,95467258] |