n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 84 |
4 | 556 |
5 | 3736 |
6 | 25612 |
7 | 177688 |
8 | 1244398 |
9 | 8777612 |
10 | 62271384 |
11 | 443847648 |
12 | 3175924636 |
13 | 22799963576 |
14 | 164142004184 |
15 | 1184574592592 |
16 | 8567000931404 |
17 | 62073936511496 |
18 | 450518481039956 |
19 | 3274628801768744 |
20 | 23833760489660324 |
[1,2,14,84,556,3736,25612,177688,1244398,8777612, 62271384,443847648,3175924636,22799963576, 164142004184,1184574592592,8567000931404, 62073936511496,450518481039956,3274628801768744, 23833760489660324] |