n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 214 |
5 | 3846 |
6 | 102206 |
7 | 3795758 |
8 | 188648664 |
9 | 12125977944 |
10 | 980768153832 |
11 | 97599402813672 |
12 | 11728820086206576 |
13 | 1675575398007779568 |
14 | 280777781273956353648 |
15 | 54556438705747006028016 |
16 | 12169284368165386948212096 |
17 | 3088938134820388829982311808 |
[1,1,3,19,214,3846,102206,3795758,188648664, 12125977944,980768153832,97599402813672, 11728820086206576,1675575398007779568, 280777781273956353648,54556438705747006028016, 12169284368165386948212096, 3088938134820388829982311808] |