n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 45 |
5 | 236 |
6 | 1505 |
7 | 10914 |
8 | 90601 |
9 | 837304 |
10 | 8610129 |
11 | 96625970 |
12 | 1184891081 |
13 | 15665288484 |
14 | 223149696601 |
15 | 3394965018886 |
16 | 55123430466945 |
17 | 948479737691504 |
18 | 17289345305870561 |
19 | 332019600921360594 |
20 | 6713316975465246889 |
21 | 142321908843254560540 |
22 | 3161718732648662557161 |
[1,3,10,45,236,1505,10914,90601,837304,8610129, 96625970,1184891081,15665288484,223149696601, 3394965018886,55123430466945,948479737691504, 17289345305870561,332019600921360594, 6713316975465246889,142321908843254560540, 3161718732648662557161] |