n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 68 |
4 | 538 |
5 | 4652 |
6 | 42628 |
7 | 406856 |
8 | 4001914 |
9 | 40285724 |
10 | 413049580 |
11 | 4298523704 |
12 | 45288486436 |
13 | 482122686008 |
14 | 5178044596168 |
15 | 56038403289488 |
16 | 610508962548538 |
17 | 6690154684006268 |
18 | 73693477140179548 |
19 | 815508203755227608 |
[1,2,10,68,538,4652,42628,406856,4001914,40285724, 413049580,4298523704,45288486436,482122686008, 5178044596168,56038403289488,610508962548538, 6690154684006268,73693477140179548, 815508203755227608] |