n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 16 |
3 | 95 |
4 | 601 |
5 | 3951 |
6 | 26650 |
7 | 183043 |
8 | 1274080 |
9 | 8959268 |
10 | 63512890 |
11 | 453227590 |
12 | 3252065077 |
13 | 23443729683 |
14 | 169680654790 |
15 | 1232381601759 |
16 | 8977925594880 |
17 | 65579423363511 |
18 | 480162707557696 |
19 | 3523121247341469 |
20 | 25899477669429042 |
[1,3,16,95,601,3951,26650,183043,1274080,8959268, 63512890,453227590,3252065077,23443729683, 169680654790,1232381601759,8977925594880, 65579423363511,480162707557696,3523121247341469, 25899477669429042] |