n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 57 |
5 | 361 |
6 | 2763 |
7 | 24611 |
8 | 250737 |
9 | 2873041 |
10 | 36581523 |
11 | 512343611 |
12 | 7828053417 |
13 | 129570724921 |
14 | 2309644635483 |
15 | 44110959165011 |
16 | 898621108880097 |
17 | 19450718635716001 |
18 | 445777636063460643 |
19 | 10784052561125704811 |
20 | 274613643571568682777 |
21 | 7342627959965776406281 |
[1,1,3,11,57,361,2763,24611,250737,2873041, 36581523,512343611,7828053417,129570724921, 2309644635483,44110959165011,898621108880097, 19450718635716001,445777636063460643, 10784052561125704811,274613643571568682777, 7342627959965776406281] |