n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 35 |
4 | 215 |
5 | 1535 |
6 | 12455 |
7 | 113255 |
8 | 1141415 |
9 | 12632615 |
10 | 152341415 |
11 | 1988514215 |
12 | 27934434215 |
13 | 420236744615 |
14 | 6740662856615 |
15 | 114841743944615 |
16 | 2071122598472615 |
17 | 39418302548552615 |
18 | 789563088403016615 |
19 | 16603426141551176615 |
20 | 365724864314899016615 |
21 | 8421063413387754056615 |
[1,2,7,35,215,1535,12455,113255,1141415,12632615, 152341415,1988514215,27934434215,420236744615, 6740662856615,114841743944615,2071122598472615, 39418302548552615,789563088403016615, 16603426141551176615,365724864314899016615, 8421063413387754056615] |