n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 64 |
5 | 321 |
6 | 1927 |
7 | 13490 |
8 | 107921 |
9 | 971290 |
10 | 9712901 |
11 | 106841912 |
12 | 1282102945 |
13 | 16667338286 |
14 | 233342736005 |
15 | 3500141040076 |
16 | 56002256641217 |
17 | 952038362900690 |
18 | 17136690532212421 |
19 | 325597120112036000 |
20 | 6511942402240720001 |
21 | 136750790447055120022 |
22 | 3008517389835212640485 |
[2,2,5,16,64,321,1927,13490,107921,971290,9712901, 106841912,1282102945,16667338286,233342736005, 3500141040076,56002256641217,952038362900690, 17136690532212421,325597120112036000, 6511942402240720001,136750790447055120022, 3008517389835212640485] |