n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 16 |
6 | 50 |
7 | 133 |
8 | 440 |
9 | 1387 |
10 | 4752 |
11 | 16159 |
12 | 56822 |
13 | 200474 |
14 | 718146 |
15 | 2587018 |
16 | 9398520 |
17 | 34324174 |
18 | 126068558 |
19 | 465093571 |
20 | 1723176308 |
21 | 6407924300 |
22 | 23910576230 |
23 | 89494164973 |
24 | 335913918902 |
25 | 1264107416466 |
[1,1,2,3,8,16,50,133,440,1387,4752,16159,56822, 200474,718146,2587018,9398520,34324174,126068558, 465093571,1723176308,6407924300,23910576230, 89494164973,335913918902,1264107416466] |