n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 16 |
4 | 38 |
5 | 88 |
6 | 200 |
7 | 428 |
8 | 902 |
9 | 1874 |
10 | 3780 |
11 | 7504 |
12 | 14732 |
13 | 28368 |
14 | 54052 |
15 | 101960 |
16 | 189750 |
17 | 349996 |
18 | 640218 |
19 | 1159624 |
20 | 2084952 |
21 | 3722008 |
22 | 6593560 |
23 | 11606268 |
24 | 20308188 |
25 | 35312170 |
26 | 61065636 |
27 | 105060200 |
28 | 179795936 |
29 | 306244136 |
30 | 519291476 |
31 | 876554860 |
32 | 1473504846 |
[1,2,6,16,38,88,200,428,902,1874,3780,7504,14732, 28368,54052,101960,189750,349996,640218,1159624, 2084952,3722008,6593560,11606268,20308188, 35312170,61065636,105060200,179795936,306244136, 519291476,876554860,1473504846] |