n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 26 |
6 | 93 |
7 | 378 |
8 | 1562 |
9 | 6580 |
10 | 27776 |
11 | 117570 |
12 | 497785 |
13 | 2108418 |
14 | 8930754 |
15 | 37830676 |
16 | 160251624 |
17 | 678835194 |
18 | 2875587605 |
19 | 12181180442 |
20 | 51600296826 |
21 | 218582354212 |
22 | 925929680832 |
23 | 3922301042114 |
24 | 16615133763313 |
[1,2,2,4,8,26,93,378,1562,6580,27776,117570, 497785,2108418,8930754,37830676,160251624, 678835194,2875587605,12181180442,51600296826, 218582354212,925929680832,3922301042114, 16615133763313] |