n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 75 |
4 | 934 |
5 | 12077 |
6 | 159131 |
7 | 2101575 |
8 | 27762103 |
9 | 366611212 |
10 | 4838564147 |
11 | 63818720716 |
12 | 841134600018 |
13 | 11076115427897 |
[1,2,9,75,934,12077,159131,2101575,27762103, 366611212,4838564147,63818720716,841134600018, 11076115427897] |