n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 13 |
4 | 53 |
5 | 181 |
6 | 713 |
7 | 2689 |
8 | 10661 |
9 | 41989 |
10 | 168785 |
11 | 680329 |
12 | 2770409 |
13 | 11331529 |
14 | 46639157 |
15 | 192762013 |
16 | 800228069 |
17 | 3333843685 |
18 | 13936599857 |
19 | 58432259977 |
20 | 245665962113 |
21 | 1035412181761 |
22 | 4373982501245 |
23 | 18516210906853 |
24 | 78536526586553 |
25 | 333712398776281 |
26 | 1420364536094093 |
[1,1,5,13,53,181,713,2689,10661,41989,168785, 680329,2770409,11331529,46639157,192762013, 800228069,3333843685,13936599857,58432259977, 245665962113,1035412181761,4373982501245, 18516210906853,78536526586553,333712398776281, 1420364536094093] |