n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 35 |
4 | 205 |
5 | 1224 |
6 | 8169 |
7 | 58980 |
8 | 440312 |
9 | 3424506 |
10 | 27412679 |
11 | 224376048 |
12 | 1870585220 |
13 | 15834664872 |
14 | 135780321665 |
15 | 1177209242304 |
16 | 10304195697298 |
17 | 90948839353159 |
18 | 808675888577436 |
[2,8,35,205,1224,8169,58980,440312,3424506, 27412679,224376048,1870585220,15834664872, 135780321665,1177209242304,10304195697298, 90948839353159,808675888577436] |