n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 31 |
4 | 162 |
5 | 973 |
6 | 6539 |
7 | 48410 |
8 | 390097 |
9 | 3389877 |
10 | 31534538 |
11 | 312151125 |
12 | 3271508959 |
13 | 36149187780 |
14 | 419604275375 |
15 | 5100408982825 |
16 | 64743452239424 |
17 | 856157851884881 |
18 | 11768914560546973 |
19 | 167841252874889898 |
20 | 2479014206472819045 |
21 | 37860543940437797897 |
[1,2,7,31,162,973,6539,48410,390097,3389877, 31534538,312151125,3271508959,36149187780, 419604275375,5100408982825,64743452239424, 856157851884881,11768914560546973, 167841252874889898,2479014206472819045, 37860543940437797897] |