n | a(n) |
---|---|
1 | 0 |
2 | 6 |
3 | 159 |
4 | 1088 |
5 | 7839 |
6 | 56106 |
7 | 369328 |
8 | 2391828 |
9 | 15258307 |
10 | 95588636 |
11 | 592291968 |
12 | 3636441278 |
13 | 22144892123 |
14 | 133969251618 |
15 | 805895076555 |
16 | 4824002960360 |
17 | 28752431241931 |
18 | 170726461743312 |
19 | 1010344566340239 |
20 | 5961242307456936 |
[0,6,159,1088,7839,56106,369328,2391828,15258307, 95588636,592291968,3636441278,22144892123, 133969251618,805895076555,4824002960360, 28752431241931,170726461743312,1010344566340239, 5961242307456936] |