n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | 6 |
5 | 8 |
6 | 26 |
7 | 55 |
8 | 148 |
9 | 377 |
10 | 1066 |
11 | 2853 |
12 | 8044 |
13 | 22298 |
14 | 63134 |
15 | 178399 |
16 | 509944 |
17 | 1460728 |
18 | 4213962 |
19 | 12194213 |
[1,1,2,2,6,8,26,55,148,377,1066,2853,8044,22298, 63134,178399,509944,1460728,4213962,12194213] |