n | a(n) |
---|---|
1 | 2 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 22 |
6 | 85 |
7 | 344 |
8 | 1408 |
9 | 5914 |
10 | 25394 |
11 | 110818 |
12 | 488688 |
13 | 2178594 |
14 | 9797950 |
15 | 44406134 |
16 | 202591861 |
17 | 929716110 |
18 | 4288808485 |
19 | 19876422076 |
20 | 92501558277 |
21 | 432109230664 |
22 | 2025444499805 |
23 | 9523528005822 |
24 | 44906724639089 |
[2,1,2,7,22,85,344,1408,5914,25394,110818,488688, 2178594,9797950,44406134,202591861,929716110, 4288808485,19876422076,92501558277,432109230664, 2025444499805,9523528005822,44906724639089] |